Mathematical sign - Study guides, Class notes & Summaries
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HESI A2 2024 UPDATED QUESTIONS AND ANSWERS EXAM
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|7|+|−2| = ____ 
Note: This problem shows the number -2 within an absolute value sign, not the number 
-21. 
A. 9 
B. 5 
C. 0 
D. 14 - A. 9 
9 is the correct answer because the brackets around the numbers mean you are 
adding the absolute value of those numbers. The absolute value of a number is always 
positive, so: 
The absolute value of 7 is 7.The absolute value of -2 is 2.Therefore, the problem 
becomes: 7 + 2 = 9. 
Note: You will not do anything to signs outside the absolute value bra...
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HESI ENTRANCE-CHEMISTRY EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED
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HESI ENTRANCE-CHEMISTRY EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED 
 
 
The scientific system of writing numbers. 
The scientific notation is ? 
Mathematical sign 
 
Significand 
 
Exponential (logarithm). 
Scientific notation is composed of what 3 parts? 
Logarithm. 
Exponential is also called ? 
It designates whether the number is positive or negative. 
Tell me about the mathematical sign? 
The base value of the number or the value of the number when all the values of ten are removed. 
Te...
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HESI A2 Chemistry Latest Update 2024
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HESI A2 Chemistry Latest Update 2024 
Chemistry 
The study of matter and its properties and how those properties relate to one another 
 
 
Three states of matter 
solid, liquid, gas 
 
 
Scientific notation 
The scientific system of writing numbers. A method to write very big or very small numbers easily. Is composed of three parts: a mathematical sign, + or -, the significand, and the exponential, sometimes called the logarithm. 
 
 
Mathematical sign 
designates whether the number is positive...
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HESI A2 Chemistry Updated for 2024-Graded A+
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scientific notation 
the scientific system of writing numbers 
-composted of 3 parts: mathematical sign, the significand, and the exponential/logarithm 
 
 
mathematical sign 
designates whether the number is positive or negative (+/-) 
 
 
significand 
the base value of the number or the value of the number when all the values of ten are removed 
 
 
exponential/logarithm 
a multiplier of the significand in powers of 10. a positive exponential multiplies the significand by factors of 10. a nega...
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MTTC Test (Lower Elementary Test #119) Exam Questions With 100% Correct Answers
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MTTC Test (Lower Elementary Test #119) 
Exam Questions With 100% Correct 
Answers 
1. A kindergarten teacher observes as a small group of students practice comparing numbers and 
quantities using manipulatives. Each student has four counters. One student's counters are spaced 
farther apart than the other students' counters, and several members of the group claim that 
student has more counters than everyone else. The teacher can build on the students' 
understanding of counting and cardinali...
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Apps Study Exam Questions & Answers 2024/2025
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Apps Study Exam Questions & Answers 2024/2025 
 
 
home page - ANSWERSfirst page displayed when you open your browser 
 
www - ANSWERSworld wide web 
 
url - ANSWERSweb address, uniform resource locater 
 
email - ANSWERSelectronic communication 
 
netiquette - ANSWERSbehavior on the internet 
 
spreadsheet columns - ANSWERSlabeled with letters 
 
spreadsheet rows - ANSWERSlabeled with numbers 
 
spreadsheet cell - ANSWERSintersection of column and row 
 
spreadsheet mathematical operators - ANS...
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CHEM 104: General Chemistry II MODULE 1 Exam Questions And Answers Latest Updated 2024/2025
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CHEM 104: General Chemistry II MODULE 1 Exam Questions And Latest Updated 2024/2025. Temperature/Reaction Rate - Increase, higher temperature 
provides higher kinetic energy 
Catalyst/Reaction Rate - Increase, without being consumed 
Surface Area/Reaction Rate - Increase, increased surface area 
of particles increases reaction rate because solids only react at their 
surfaces (grinding solid into fine powder) 
Concentration/Reaction Rate - Increase, provides more 
reacting particles to undergo r...
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WGU D126 Latest Update with Verified Solutions
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WGU D126 Latest Update with Verified 
 
Solutions 
 
run In math, the horizontal distance between two points. 
 
solution set Group of all values that satisfy a mathematical statement. Values that satisfy an 
equation or inequality. 
 
y-axis The vertical line that passes through the origin on a coordinate plane. 
 
coordinate plane A tool used for graphing that is a display of a two dimensional plane. It 
consists of an x-axis and a y-axis; the x-axis being a horizontal number line, the y-axis ...
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TEST BANK RADIOGRAPHIC IMAGING AND EXPOSURE 5TH EDITION FAUBER QUESTIONS & ANSWERS WITH RATIONALES COMPLETE (CHAPTER 1- 10)
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RADIOGRAPHIC IMAGING AND EXPOSURE 5TH 
EDITION FAUBERTEST BANK 
Chapter 01: Radiation and Its Discovery 
Fauber: Radiographic Imaging and Exposure, 5th Edition 
MULTIPLE CHOICE 
When were x-rays discovered? 
October 8, 1985 
November 8, 1895 
January 23, 1896 
August 15, 1902 
ANS: B 
X-rays were discovered by Wilhelm Conrad Roentgen on November 8, 1895. 
REF: p.1 
What type of tube was Roentgen working with in his lab when x-rays were discovered? 
Crookes tube 
Fluorescent tube 
High-vacuum tu...
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WGU C957 Applied Algebra - Brandy actual exam with 100% correct answers(latest update)
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Asymptote 
a horizontal, vertical, or slanted line that a graph approaches but never touches 
 
 
 
coefficient of determination 
A statistic that measures how well a regression prediction approximates the real data points. An r^2 of 1 indicates that the regression prediction is a perfect fit for the data 
 
 
 
common ratio 
The number by which each term in a sequence is multiplied to find the next number in the sequence; for example 4 is the common ratio for the sequence [1, 4, 16, 64, 256...]...
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