HB 5 CP Math Fall Exam

Front

Write the given number in scientific notation: 0.0000000921.

Back

9.21 \times 10^{-10}

Front

Find the volume of a right cylinder with a radius of 2 inches and a height of 6 inches.

Back

24\pi \text{ inches}^3

Front

Simplify the expression: \frac{8x^2 + 52x}{4x}.

Back

2x + 13

Front

Find the original price of a perfume if the sale price is $94.00 after a 20% discount.

Back

$117.50

Front

Given the equation 6x – 3y = 60, find the value of y if the ordered pair (3, y) is a solution.

Back

y = -14

Front

Define scientific notation.

Back

A way of expressing numbers as a product of a coefficient and a power of 10.

Front

What is the formula for the volume of a cylinder?

Back

V = \pi r^2 h, where r is the radius and h is the height.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form by combining like terms and performing operations.

Front

How do you calculate the original price before a discount?

Back

Original Price = Sale Price / (1 - Discount Rate)