what is the order of 4 × 10^-7, 7 × 10^-9, 1 × 10^4, 2 × 10^4 from least to greatest?

a. 1 × 10^4, 2 × 10^4, 4 × 10^-7, 7 × 10^-9

b. 4 × 10^-7, 7 × 10^-9, 1 × 10^4, 2 × 10^4

c. 7 × 10^-9, 4 × 10^-7, 1 × 10^4, 2 × 10^4

d. 7 × 10^-9, 4 × 10^-7, 2 × 10^4, 2 × 10^4

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer