Answer:
x is 5
Step-by-step explanation:
Answer:
C=9
Step-by-step explanation:
A = πr^2
A = π 9
9
3 all you have to do is divide 7 by seven and get 1 and after subtract 4 by 1 and you get 3.
Answer:
25%
Step-by-step explanation:
20/80 = 2/8 = 1/4
1/4 = 0.25
0.25 x 100 = 25
so 25%
Answer:a. (5 * 9) * (10^3 * 10^7)
45 * 10^3+7
45 * 10^10 = 4.5 * 10^11
b. 7 * 10^5/2 * 10^2
7 * 10^3/2
7 * 1000/2
7 * 500 = 3500 or 3.5 * 10^3
Step-by-step explanation: