Polly wrote 35.0 × 10 to the 2nd power samantha wrote 0.35 x 10 to the 4th power + esther wrote 3.5 x 10 to the 4th power.

35 * 10^2 =   3500

0.35 * 10^4 = 3500

3.5 * 10^4 =  35000

21.4 i did it already for s1

step-by-step explanation:

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,