Question

Simplify the expression with using scientific notation (4 times 10 8)2

Answer 1

y = (4*10^8)^2 Both factors in the brackets are squared.

4^2 = 16

(10^8)^2 = 10^(2*8) = 10^16

y = 16 * 10^16

y = 1.6 * 10^1 * 10^16

y = 1.6 * 10^(1 + 16)

y = 1.6 * 10^(17) <<<<<< Answer I'd use the brackets unless instructed not to.