Rational Numbers Refresher

What would 3.14 x 10⁵ be in standard form?

• 31,400,000

• 314,000

• 0.0000314

• 0.00000314

Where is the decimal in 65,000?

• At the beginning

• At the end

• In between 6 and 5

Which exponent is smallest?

• 3

• -2

• -1

Which is smaller? 2.13 or 2.62?

• 2.13

• 2.62

What would 0.01 be in exponential form?

• 10²

• 10^-1

• 10^-2

• 10^-3

Why is 400 a perfect square?

• Because 50 multiplied by 8 is 400.

• Because it is an even number.

• Because 400 divided by 2 is 200.

• Because 20 multiplied by itself is 400.