Answer:
1/5
Step-by-step explanation:
1 divide 100 by 20 this equals 5 and then divide 20 by 20= 1/5
Answer:
<h3>He should have found 8 as the exponent, not –8.</h3>
Step-by-step explanation:
Given the expression simplified by Pablo as 
On simplification we have;
According to one of the law of indices 
Applying this law to the question will give;

Based on the calculation above, the exponent of 2 is 8 which means that Pablo should have found 8 as the exponent, not –8.
Answer: 9/81
Step-by-step explanation:
I did 3 to the second power then 3 to the fourth power. Then put them on top of each other. If the over is supposed to mean division then the answer would be 9.
Step-by-step explanation:

By calculator

Is the simple answer, making The cost divided by the minutes. The answer is 2.33 (repeating 3s)