What is the volume for this prism?? Thank you :)

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed