NOBCChE

What term BEST describes 2 angles with 90º as the sum of their measurements? correct answer: COMPLEMENTARY Divide the following and give your answer in scientific notation: (8E7)/(4E4)^(1/2) correct answer: 4E5 Simplify the following expression, where a is not equal to zero if b = 0 or if b = -1: (a^b^2)(a^b) correct answer: a^(b^2 +b) Giving your answer in inches and in simplest radical form, if the hypotenuse of a 45-45-90º triangle is 10 inches, find the length of the other side...

What is the perimeter of a right triangle whose leg lengths are 6 and 8 and whose hypotenuse is 10? correct answer: 24 (Solution: perimeter = 6+8+10=24) The average of -40, 36, 5, 0, 10 and x is 5. What is the value of x? correct answer: 19 What is the remainder of (148 + 10) / 7 ? correct answer: 4 If y varies directly as x, and y = 42 when x = 30, find y if x = 45. correct answer: 63 The price of a postage stamp changes from 33 cents to 34 cents. What is the percent increase...

What do the abbreviations TC and TD stand for that are seen on some laboratory pipettes? correct answer: TO CONTAIN AND TO DELIVER What Greek letter is used to symbolize wavelength? correct answer: LAMBDA Rounded to the nearest decimal place, convert 13 Kelvin into degrees Centigrade: correct answer: -260 Express the number 9587.3 in proper scientific notation with the correct amount of significant figures: correct answer: 9.5873 × 10^3 The related quantities charted on a line g...

As of the summer of 2001, what planet was shown to have the most known moons orbiting it in our solar system? correct answer: SATURN What is another name for minor planets, starlike bodies, or planetoids, the vast majority of which have orbits roughly midway between the orbits of Jupiter and Mars? correct answer: ASTEROIDS What planet is the most distant gas giant from the sun? correct answer: NEPTUNE Refracting telescopes always contain which of the following: W) mirrors X) lens...

How many significant figures are in the number 0.00750? correct answer: 3 Subtract the following 2 numbers and give your answer with the proper significant figures: 25.101 - 0.9608 correct answer: 24.140 Which of the following is closest to the meaning of the suffix 'lith': W) outside X) stone Y) side Z) surface correct answer: X) STONE Rounded to the nearest whole number, how many feet does light travel in one-billionth of one second? correct answer: 1 What gas is most dir...