Practice sheet

Fresh questions from the whole chapter, to do on paper.

New questions Include answers

To save a PDF, choose “Save as PDF” in the print dialog.

$6^{ 2 } \cdot 6^{ 5 } = 6^{?}$ . What is the exponent?
$3^{ 12 } \div 3^{ 5 } = 3^{?}$ . What is the exponent?
$\left(9^{ 4 }\right)^{ 4 } = 9^{?}$ . What is the exponent?
Write $5^{-1}$ as a fraction.
$10^{ 6 } \cdot 10^{-9} = 10^{?}$ . What is the exponent?
What is $51^0$ ?
Write $900000000$ in scientific notation as $9 \times 10^{?}$ . What is the exponent?
How many times as large as $8 \times 10^{ 4 }$ is $8 \times 10^{ 7 }$ ?
When $2 \times 10^{-6}$ is written as a decimal, how many zeros are there between the decimal point and the digit 2?
Compute $(3 \times 10^{ 4 }) \cdot (2 \times 10^{ 2 })$ . (An expression with a power of 10 is fine.)
Compute $(4 \times 10^{ 9 }) \div (2 \times 10^{ 4 })$ . (An expression with a power of 10 is fine.)
Compute $2 \times 10^{ 4 } + 2 \times 10^{ 4 }$ . (An expression with a power of 10 is fine.)

Answers