30= 20% of ?
30= 20/100 (x)
30= .2 (x)
x=150
150 kids are at the shcool
Answer:
I belive the answer would be the first one. 2^28 x 3^20 x 9^4
Step-by-step explanation:
This is becasue you need to multiply the power on the outside of the parenthesis, (4). 7 times itself 4 times is 28, 5 times itself 4 times is 20, and then use the 4 for the 9. Hope this helps!
1/5
Any number that can be written in fraction form is a rational number, so numbers like -1/8, 0, 1/4, etc. all work.
Answer:
7.72 * 10^15
Step-by-step explanation:
8*10^15 - 2.8*10^14 = 7.72 * 10^15
Step-by-step explanation:
Density=5250/4.5=1166.66 g/ml
