Answer:
n = 8
Step-by-step explanation:
512/-4 = -128
-2^? equals -128? Has to be odd since it's negative
-2^1 = -2
-2^3 = -8
-2^5 = -32
<u>-2^7 = -128</u>
But it's -2^n-1 = -128 so you have to add 1
7+1 = 8
So n=8
Answer:
Interest = $7,000 * 0.05 * 4
Edward earned $1,400 in interest.
Step-by-step explanation:
Interest = original amount * rate (as a decimal) * time (in years)
Interest = $7,000 * 0.05 * 4
Interest = $1,400
I hope this helped and please mark me as brainliest!
It looks like this is a square pyramid net, and to find the surface area you need to know the base and height. By looking at the image 5 ft is the height and the base is 3 ft.
The surface area of the square pyramid is <u>40.32</u>
hope this helps!