Radius is half of diameter so the diameter would be so 1.5 and 6. And circumference is 2(pi)(radius). So that's around 9.4 for the first question and 38 for the second
I don't see a mistake. You solve in parentheses first, then you solve exponents. If the exponent is 0 in this context, the answer would be 0.
Answer:
7.867854 and to the nearest hundereth would be 7.87 i believe. If im wrong im sorry
Step-by-step explanation:
6-12 divides by 3 + 8 - 9 is 1