Find the product: ( 5.49 x10^4 ) (6.17 x 10^5)

668054.9

Step-by-step explanation:

5.49 x 10^4 = 51054.9

6.17 x 10^5 = 617000

61000 x 51054.9 = 668054.9

I could be wrong but hope this helps

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13