Answer:
the first one not the second one
Step-by-step explanation:
The answer is 19,657. I multiplied the expressions first (10^4=10,000) (7^3=343), then I plugged them back into the equation. 2•10,000-343=19,657
Answer:
When you have two negative signs, one turns over, and they add together to make a positive. If you have a positive and a negative, there is one dash left over, and the answer is negative.
<em>I hope this was the answer you were looking for - Lily~Senpai :P</em>
Answer:
Exterior Angle = 36 degrees
Step-by-step explanation:
<u><em>Each interior angle of a regular decagon measures 144 degrees.</em></u>
=> <u><em>We'll subtract 144 from 180 to get the measure of the exterior angle.</em></u>
=> Exterior Angle = 180-144
=> Exterior Angle = 36 degrees
I know number 15 is right
