Area of circle= π·r² so, π·20²= π·400≡ 1256.637061
Answer: PEMDAS
8•2 = 16
16+3x = -7
-3 -3
16 + x = -10
-16 -16
X= -26
Step-by-step explanation:
Answer:

Step-by-step explanation:




Calculate 5 to the power of 2 and get 25:-

Calculate 3 to the power of 2 to get 9 and then multiply 2 and 9 to get 18:-


<u>OAmalOHopeO</u>
Answer:
6
Step-by-step explanation:
54=2x3x3x3
12=2x2x3
common factors are 2 and 3 so 2x3=6