Answer:
Yes they are.
Because:
As said in the rules you have to keep the bases and add the exponents.
It would be zero point 9 or 0.9
First you have to divide the 9 on both sides to get x alone. Next you would have to divide 117 and 9. (117÷9=13) . So x>13
256 = 16^2. In turn, 16=4^2.
The 4th roots are {4, 4, -4 and -4}.
Check for yourself: Does 4^4= 256? does (-4)^4 = 256?
Answer:
9/20 Chance or 45%
Step-by-step explanation:
1,2,3,5,7,11,13,17,19 are all prime numbers. So that's 9 numbers.
