What does the last anwer choice say
Answer:
Step-by-step explanation:
Width of rectangle = 15 cm
width of rectangle is equal to the radius of each semicircle.
radius of each semicircle (r) = 15 cm.
Diameter of each semicircle = 30 cm
Length of rectangle = 3 x 30 = 90 cm.

Multiply the 2 numbers, 2.5 and 3.9 and then you will get 9.75
Then add the 2 exponents, -15 and 26 and you will get 11
<span>The answer is 9.75 x 10^11</span>
When two opposites are combined the sum is always Zero
I believe there are ten. One, two, three, five, seven, eleven, thirteen, seventeen, nineteen, and twenty-three.