Answer:
-7150
Step-by-step explanation:
7.15 * 10^-3
7.15 * (-10*-10*-10)
7.15 * -1000
-7150
A-yes
B-No
C-yes
Between A-C
Answer:
It has no perfect square factors, unless you count 1 = 1^2. That's sort of a degenerate case we don't usually count, since every integer has that factor. We would usually say that 1290 is a square-free integer. Hope this helps!!