Question

In 1980,the US produced 18.4 billion(10to the power of 9)pounds of phosphoric acid to be used in the manufacture of fertilizer.the average cost of the acid is 318$/ton.(1 Ton =2000 lb)what was the total value of the phosphoric acid produced?

Answer 1

2'925.600'000.000‬ $ approximately 2,93 billion $

Step-by-step explanation:

In order to get the total cost of the Phosphoric Acid produced, it's necessary to convert the Phosphoric Acid pounds into Tons using the given conversion and knowing that
`1 billion = 1'000.000'000.000` :

`18.4 billon(lb) * (1'000.000'000.000(lb))/(1 billon(lb)) *(1(Ton))/(2000(lb)) =9.200'000.000(Ton)`

and knowing a Ton cost 318$ we can multiply by 318$ and get the result:

`9.200'000.000(Ton) * (318\$ )/(1(Ton)) =2'925.600'000.000\$`

This is approximately 2,93 billion $.

Answer 2

18.4 * 10^9 lbs = (18.4 * 10^9)/2000 tons

Cost = ((18.4 * 10^9)/2000 ) * 318

Cost = $ 2925600000