A power of ten is any of the integer powers of the number ten so its kinda like 10 multiplied by itself a certain times.
Answer:
S.A. = 15.7
Step-by-step explanation:
S. A. = 
1 x 1 x 3.14 = 3.14
3.14 x 1 x 4 = 12.56
12.56 + 3.14 = 15.7
ANSWER
i think it is six.
EXPLANATION
Answer:
72 degrees
Step-by-step explanation:
2x+3x=180
5x=180
x=36
36*2=72