Enter the power of 10 that makes the expression equivalent to 700,000. . 7 ×
Please help with an explanation because i don't know what powers are

Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f – 52 = 63 b. f – 63 = 52 c. 63 – f = 52 d. f – 63 = –52

What is the product? a-3/15a × 5/a-3

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?