It takes 10 years for a $100 monthly bank deposit to amount to $15,528.23 when invested at 5% interest compounded monthly. Round to the nearest place value, then express the amount $15,528.23 in the form of a×10^n
where a is single digit
To express the amount $15,528.23 in scientific notation, we need to convert it to the form of a × 10^n, where a is a single digit and n is an integer.
To do so, write the number $15,528.23 and move the decimal point to the left until you have a single non-zero digit to the left of the decimal point:
$15,528.23 = 1.552823 × 10^4
Now, we need to round the number 1.552823 to the nearest single digit. Since the digit after 1 is 5, we would round up:
1.552823 (rounded to nearest single digit) = 1.6
Therefore, $15,528.23 in scientific notation rounded to the nearest single digit is:
1.6 × 10^4