Test on Exponents and Scientific Notation

Which one of these is in scientific notation?

• 8.987000

• 8.98 x 10⁶

• 80.987 x 10

• 8.98⁶

Write 2.08 x 10²  in standard form.

• 208

• 0.0208

• 20,800

• 0.208

Write 7.113 x 10⁷ in standard form.

• 71,130,000

• 7,113,000

• 71,130,000,000

• 7,113

What is the coefficient?
3.05 x 10⁵ 

• 5

• 3.05

• 10

On page 4, Invisible Math, 125⁰  = ______

• 125

• 1

• 0

• 5

Select the correct equivalent expression:

(5²)² 

(Refer to Exponent Rules on or around page 34. The answer to this question should be solved in your learning log.)

• 5

• 5² 

• 5⁴ 

• 10 

Look on or around page 30, Exponents. Simplify the following expression: 4³ ?

• 12

• 9

• 16

• 48

• 64

On or around page 36, Scientific Notation, number 3 states the following: Drop the _____________________ and write the number x 10 to the power.

• decimal

• first digit

• zeros

• last digit

Evaluate the expression. Express the result in scientific notation.

• 4.728 x 10^-8

• 4.7282 x 10^-5

• 4.728 x 10⁵

• 472,800

Simplify. Express using exponents.

(2⁴)⁷

• 14²⁸

• 2²⁸

• 2¹¹

• 2³