Question

2) The thickness of a soap bubble is about 0.000004 meters. The thickness in standard form is: a) 4.0 x 10-7 m b) 4.0 x 10-5 m c) 4.0 x 105 m d) 4.0 x 10-6 m​

Answer 1

Answer:

0.000004 = 4x 10 ^ -6

so option d is correct