Simplify each exponential expression using the properties of exponents and match it to the correct answer. HELP ASAP ​

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1. First Expression - 2

2. Second Expression- 1/2

3. Third Expression- 2

4. Fourth Expression - 1

Hope this helps.

multiply each one by 3.14

step-by-step explanation:

the answer is option a you would get more money.it would be $250.

step-by-step explanation:

for option b 200/2=100=50% 100/2=50=25% 50/5=10=5% it would be $220