Plz ! need this desperately! worth 15 points and will mark brainliest! thx so much : )

Part 1)

Part 2)

Step-by-step explanation:

Part 1) Given that evaluate the following

we know that

Remember that when multiplying two powers that have the same base, you can add the exponents

so

substitute

Part 2) Given that evaluate the following

we know that

Remember that

so

substitute

the answer to this question is in the pic