Question

2^18 x 2^27 =

Answer 1

3.51843721 × 1013

Answer 2

35184372088832

Answer 3

a^b * a^c = a^(b+c) -----------(law of surds or exponents)
hence
2^18 * 2^27 = 2^(18+27) = 2^(45)

Answer 4

this is the correct method

Answer 5

any method can be used, depending upon how the answer is needed.