2 to the power of 5 = 32
7 to the power of 3 is 343
32-343= -311
The answer is -311. Hope this helps!
Answer:
50%
Step-by-step explanation:
20 of 40 is 1/2 or 50 percent
To find the mean, add all the numbers then divide by the amount of numbers there are to find the average.
210+160+200=570
570÷3=190
Answer: 190