Answer:

Step-by-step explanation:
Any positive integer power of 10 is the number of times 10 multiply by itself. In case power remain zero then the result will be just one.

As given, we need to write 1000 as a power of 10
∴ 
Answer:
5.5
95.03
Step-by-step explanation:
To find the radius you would divide that diameter by 2.
11÷2 = 5.5
You also find the area of a circle with this formula A = pie radius ^2
So the area would be ~ 95.03
If that is multiply
Answer:
94.2
Step-by-step explanation:
15.7(3.09+2.91)=15.7*6=94.2