Question

Multiply or divide. express your anwser in scienttific notation.



(7.2x10^4)x(1.8x10^3)

Answer 1

7.2*1.8 = 12.96
4+3 = 7
12.96 * 10^7 = 1.296*10^8
= 1.3 * 10^8 to two significant figures like the input data