Answer:
the answer is 3
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
4^2 + 5^2 = x^2
16 + 25 = 41
x^2 = 41
x = sqrt 41 or 6.4
Answer: 7^3/7^6= 1/343
Step-by-step explanation: We move 7^-6 to a denominator because we cannot have a negative exponent in the numerator.
So it would be 7^3/7^6
Which then would be 7*7*7/7*7*7*7*7*7
Which would equal 343/117649
Simplify and you get 1/343