scientific notation
Write 45,300 in scientific notation.
4.53x 104
What is the formula for the Pythagorean Theorem?
a2+b2+c2
What is the formula for the volume of a cylinder?
V= pi r2h
Set of ordered pairs \((1, 8), (3, 7), (5, 6), (7, 5)\). Is this a function?
yes
Is the number \(0.333...\) (repeating) rational or irrational?
it can be written as the fraction 1/3
Write 0.0000003 in scientific notation.
3.0 x 10-7
The sides of a triangle next to the right angle are called what?
legs
Find the volume of a cone in terms of \(\pi \) if the radius is \(9\text{in}\) and height is \(3\text{in}\).
81 pi in3
Set of ordered pairs ((4, 10), (4, 12), (4, 14). Is this a function?
no
This famous number represents the ratio of a circle's circumference to its diameter and is irrational.
pi
Write 607,000 in scientific notation.
6.07 x 105
If a=8 and b=15, what does c equal?
17
What is the formula for the volume of a sphere?
4/3 pi r3
A graph shows a straight vertical line. Is this a function?
no
What are the two characteristics of an irrational number's decimal expansion?
It is non-terminating and non-repeating.
Write 0.000091 in scientific notation.
9.1 x 10-5
If the hypotenuse is 20 feet and one leg is 12 feet, how long is the other leg?
16 feet
Find the volume of a 3in by 5in by 8in rectangular box.
120 in3
Find the slope of the line y = -4x + 6.
-4
What is the value of any non-zero number raised to the zero power, such as 15 0
1
n 2012, the population exceeded 7 billion. Express 7,000,000,000 in scientific notation.
7.0 x 109
A TV screen is measured diagonally. If a TV is 40 inches wide and 30 inches high, what is its diagonal size?
50 inches
Joe has a can and an ice cream cone. The can has a height of 10.84in and a diameter of 10.84in. If the cone has the same measurements as the can, find the volume of the cone.
333.5in3
What is the y-intercept of the equation y = 1/2 x - 21)?
-21
How many times larger is 8 x 106 than 2 times 103
4 x 103 or 4,000 times larger.