Question

Please help me solve this step by step please!!

Answer 1

0.143

Explanation:

7 / 7³ x 7 Start with the exponents first

7 / 343 x 7 Divide 7/343

0.02 x 7 Multiply 0.02 x 7

0.143

Answer 2

7^(1-3+1) = 7^-3

Explanation:

Here is the rule you should know: when multiplying powers of the same base you add the exponents ans when dividing powers of the same base you subtract the exponents.

Also, if there is no number at the exponent, it is 1.