Answer:
6
Step-by-step explanation:
Answer:
5^ -7 =1 / 5^7
Step-by-step explanation:
(5^2)-^2/ 5^3
We know that a^b^c = a^(b*c)
(5^2)-^2 = 5^(2*-2) = 5^-4
5^-4/ 5^3
We know that a^b /a^c = a^ (b-c)
5 ^ (-4-3)
5^ -7
If we don't want to use negative exponents
We know that a^ -b = 1/ a^b
1 / 5^7
Answer:
144
Step-by-step explanation:
radius is half of a diameter so that means you need to multiply 72 times 2
Answer:
1
Step-by-step explanation:
