10 to the power of 5 times 10 to the power of 8?

What is the number 321,000,000 in scientific notation? also what is the number? ?

A. use the formula for continuous compounding with the original example: $1000 invested at 2% for 1 year. record the amount to 5 decimal places. use a calculator. b. compare it to the result using the original compound interest formula with n = 365 calculated to 5 decimal places. which has a larger value? explain.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.