What is 4•4•4•4•4 in exponential form? And need the answer ASAP

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)

If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?