Question

1.572x108 Troy oz of silver were used in the us in 1980 how many kilograms is this

Answer 1

Answer: 4873200 kg

Explanation:

Given mass: $1.572\times 10^8$ troy oz

Conversion factor : $1troyoz=0.031kg$

Thus if 1 troy oz weighs in kg = 0.031 kg

$1.572\times 10^8$ troy oz will weigh in kg =$\frac{0.031}{1}\times 1.572\times 10^8=0.04873\times 10^8kg$

Thus there are $0.04873\times 10^8kg$ in $1.572\times 10^8$ troy oz of silver used.