Question

Evaluate the following 5^2

x 7^2 x (-1)^22

21^2 x (-1)^47

(-7)^2 x (-7)^3 x (-1)^15

2^2+3^2+4^2

(-7)^4+(-3)^7

11^3-7^3

(-5)^2-(-3)^7

(-7)^4+(-7)

Answer 1

Answer:

10²a bta 401³b is the answer