Answer :

9.82 x 1/10 = 0.982

9.82 x 1/10 x 1/10 = 0.0982

9.82 x 1/10 x 1/10 x 1/10 = 0.00982

9.82 x 1/10 x 1/10 x 1/10 x 1/10 = 0.000982

Therefore:

9.82 x 10^(-4) = 0.000982
9.82 x 10^ -4 is the correct answer.