Question

(1) What is the value of the expression below?

(2.5 x 10^36)(5 x 10^-15)
_____________________
2 x 10^3

Answer 1

`\frac{12.5 * {10}^(21) }{2 * {10}^(3) }`

`12.5 * {10}^(18) * {2}^( - 1)`
2^-1 = 1/2

`\frac{12.5 * {10}^(18) }{2}`

`6.25 * {10}^(18)`