Pamota Thomas (Prosoning) (3x^4y^-7)^3 49 a 3x^12y^21 3^3x^12/y^21 3^3x^12y^21 3xy^2

Question

Answer 1

## Step 1: Distribute the exponent### We have

. Distribute the exponent 3 to each term inside the parentheses:

.## Step 2: Simplify the terms### Calculate

. For the variables, use the power of a power rule:

. So,

and

.## Step 3: Combine the terms### Combine the simplified terms:

.## Step 4: Express with positive exponents### Rewrite

with a positive exponent:

. Therefore, the final expression is

.

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