They were without electricity for 47 minutes.....determine the percent of an hr....so 1 hr = 60 minutes.....so they were out 47 out of 60 minutes...
47/60 = 0.783 = 78.3%.....so just type in 78.3 because ur not supposed to include the percent sign
Answer:
$159.09
Step-by-step explanation:
Math
Step-by-step explanation:

Answer:
7.2*10^3.
7,200 in scientific notation, is 7.2*10^3