Answer:
A = 139.25
Step-by-step explanation:
When you multiply you add the exponents, so 7^9*7^-3=7^6
Answer:
V = 3216.9 
Step-by-step explanation:
Volume of a cylinder = π
h
We are given diameter, 16cm, and half of it is the radius
r = 8cm
h = 19cm
Substitute the values into the equation
V = π *
* 19
V = 3216.9 
Answer:
21
Step-by-step explanation:
Answer:
hey
Step-by-step explanation: