NYSTCE CST MATH, Exam Preview Questions with accurate answers, rated A+
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NYSTCE CST MATH
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NYSTCE CST MATH
NYSTCE CST MATH, Exam Preview Questions with accurate answers, rated A+
whole numbers - -numbers that tell how many
0,1,2,3,4,5 infinite
cardinal numbers - -tell how many (ex. 9 players)
ordinal numbers - -tell what order (ex. 1st, 13th, ect)
place value - -value of a digit depends o...
NYSTCE CST MATH, Exam Preview
Questions with accurate answers, rated
A+
whole numbers - ✔✔-numbers that tell how many
0,1,2,3,4,5 infinite
cardinal numbers - ✔✔-tell how many (ex. 9 players)
ordinal numbers - ✔✔-tell what order (ex. 1st, 13th, ect)
place value - ✔✔-value of a digit depends on the place it occupies
-millions, hundred thousands, ten thousands, thousands, hundreds, tens, ones
positive exponents - ✔✔-can show repeated multiplication as an exponent, exponent shows how many
times the factor appears
Rules
-7^8x7^6=7^(8+6)
7^^6 = 7^(8-6)
rules for exponents - ✔✔--can use rules to multiply or divide exponents with the same base
7^8 x 7^6 = 7^(8+6)
7^^6 = 7^(8-6)
scientific notation - ✔✔-uses powers of 10. the power shows how many zeros to use
ex. 10^0=1
10^1=10
, 10^2=100
10^(-1)=0.1
10^(-2)=0.01
write whole numbers and decimals in scientific notation. use a decimal with one number to the left of
decimal point
2,345= 2.345x10^3
176.8= 1.768x10^2
0.0034= 3.4x10^(-3)
understanding and ordering decimals - ✔✔-decimals used to represent numbers between 0 and 1
tenths, hundredths, thousandths, ten thousandths, hundred thousandths, ect.
rounding - ✔✔-if next digit is more than 5 round up
if next digit is less than 5, round down
rational numbers - ✔✔-numbers that can be written as a fraction, can be written as decimals that
terminate or repeat
1=1/1
.25-1/4
.666666(repeating)=2/3
irrational numbers - ✔✔-numbers cannot be rewritten as a fraction (most famous is pi)
-another famous is square root of 2 (can approx 1.141421356)
undefined numbers - ✔✔-cannot be written?
0 in denominator
1/0?
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