A stack of 5 pennies weighs 0.0075 kilograms. One kilogram is approximately 2.2 pounds. How many pounds, rounded to the nearest hundredth, does a stack of 100 pennies weigh? Enter the answer in the box.
pounds

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

What is the total surface area of this square pyramid?

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)