Test on Exponents and Scientific Notation

Write 2.1 x 10⁴ in standard form.

• 210,000

• 21,000

• 0.0021

• 0.000021

In one week, there are 10,080 minutes. Write this number using scientific notation.

• 10.08 x 10³

• 1.008 x 10⁴

• 10.08 x 10^-1

• 1.008 x 10^-4

Evaluate the expression. Express the result in scientific notation.

_7.2 x 10⁴

2 x 10²

• 36,000,000

• 3.6 x 10⁶

• 360

• 3.6 x 10²

Write the expression using exponents.

(8) (8) (8) (8) (8)

• 40

• -40

• (8)⁵

• (8)^-5

Simplify. Express using exponents.

3² ⋅ 3⁴

• 3⁶

• 3⁸

• 9⁶

• 9⁸

The game of checkers is played on a square board. If the length of one side of the board is 4² inches, what is the area of the board in square inches? Express your answer using exponents.

• 8⁴

• 4⁴

• 8²

• 32

Write the expression using a positive exponent.

4^-2

• 2⁴

• 4²

• 8

• _1_

  4²

Write the expression using a negative exponent.

_1_

5²

• -2⁵

• 5²

• 5^-2

• 2^-5

In the expression 2⁴, 4 is called the ____________.

• base

• exponent

_______________ is a compact way of writing numbers with absolute values that are very large or very small.

• Experimental notation

• Scientific notation