Suppose that P dollars in principal is invested for t years at the given interest rates with continuous compounding. Determine the amount that the investment is worth at the end of the given time period. =P$10,000, =t112 yr

(a) 1% interest

(b) 4% interest

(c) 4.5% interest

(a )$30648.54  (b)$882,346.73    (c)  $1,544,700.15

Step-by-step explanation:

Formula: , where P= principal , r=rate of interest, t= time

Given : P= $10,000, t = 112 years

(a) r = 1% = 0.01

Hence, Amount = $30,648.54

(b) r = 4% = 0.04

Hence, Amount = $882,346.73

(c) r = 4.5% = 0.045

Hence, Amount = $1,544,700.15

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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