Which number is not in scientific notation? 1.1 ⋅ 10^213 7.8 ⋅ 10^8 3.02 ⋅ 10^−10 35 ⋅ 10^4

Write 17/20 as a decimal and as a percent.

Select the lengths in centimeters that would form a right triangle

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3