(QUICK) Which of the following numbers has the correct number of significant digits for the sum of 4.0125 and 5.72? a. 9.7324
b. 9.732
c. 9.73
d. 9.7

i think it is

step-by-step explanation:

a formal letter is a letter the you would send to a king

if you need just tell me and i will come to the rescue.

step-by-step explanation:

the radius is 2 times the diameter.

step-by-step explanation:

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.