Answer:
None
Step-by-step explanation:
There are actually 2 answers, 3 and -3. Although if you put it in a calculator, it would show "math error" or undefined. That's because the index is even (4) and the radicand is negative (-81)
Find the reciprocal of the second fraction (flip numerator and denominator's spots) and multiply the two fractions.
1/4 in fraction form, or 0.4 in decimal
Answer:
2πr
2(22/7)(3.5)
<u>22</u>
Step-by-step explanation: