Answer:
all work is pictured and shown
Answer:
144*
Step-by-step explanation:
decagon has 10 sides every side is 144* angles
Answer:
3^5
Step-by-step explanation:
<em>exponents:</em>
1 - ( - 4 ) = 5
Therefore,
3^5
Answer:

Step-by-step explanation:

Simplified becomes;

Simplifying further gives; 
We know that 5 days and 12 hours is as much as 5.5 days, so all we need to do is to multiply 1800 watt-hours by 5.5 days:
1800 * 5.5 = 9900
Answer: <u>A light bulb consumes 9900 watt-hours each 5 days and 12 hours</u>.