PLEASE HELP ME!

Express each number as a power. a) 36 b)49 c)81 d)100

here is a riddle: As i was going to Halifax, I met a man with 7 sacks, Every sack had seven cats, Every cats had 7 kits, Man,kits,cats , and sacks were going to Halifax? how many kittens were there? show your work by using powers.

Evaluate each of the following. Show all your calculations. f'(
3) if f(x)
 = x^4 − 3x

Evaluate each of the following. Show all your calculations.
 f" (1/3) if f(x)
 = −2x^5 + 2x − 6

Evaluate each of the following. Show all your calculations.
 f" (0) if f(x)
 = 14x^2 + 3x − 6

thank you so much! :)

what do you mean by square?

is it 7^3?

thank you