Kendrick opened a savings account and deposited $3,000.00 as principal. The account earns 6% interest, compounded quarterly. How much interest will he earn after 7 years?

$1551.67

Step-by-step explanation:

At Compound Interest, the Amount, A accrued by a Principal P for a period of t years compounded n times in a year at a rate of r is derived using the formula:

P=$3,000.00

r=6% = 0.06

n=4 (Since it is compounded quarterly)

t= 7 years

The Interest earned after 7 years will be:

Interest= Amount - Principal

          =4551.67 - 3000

          =$1551.67

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).