Question

Multiply 0.75 by 2.8×10−5
.(1 point)

Answer 1

Multiply 0.75 by 2.8×10−5
.(1 point)
Responses

2.1×10−5
2 point 1 times 10 to the negative 5 power

2.1×10−6
2 point 1 times 10 to the negative 6 power

2.1×10−4
2 point 1 times 10 to the negative 4 power

2.1×10−7

Answer 2

0.75 * 2.8 * 10^(-5) = 0.000021

Answer 3

The correct answer is 2.1×10−5.