Ametal worker wants to figure out the cost of making a rectangular iron bar. he knows that the required dimensions of the bar are 8.0 cm (width), 0.40 cm (height), and 310 cm (length). if this kind of iron costs $0.015 per cm3, what is the cost of making the bar (to the nearest dollar)? $5

the answer is B. $15

25 questions , because they start with 100.  

350-100=250 .  

. 250/10=25

step-by-step explanation:

first take off 100, then what x 10 = 250? that is your answer. (25)

0.0076, if you meant 4.125 divided by 0.03125 it would be 132

step-by-step explanation:

first you have to move the decimal in 0.03125 over until its behind the 5 which is 5 places over. now the number is 3125

then you have to move the decimal in 4.125, 5 places over. now the number is 4,112,500.

now you divide like you would normally would and get 0.0076