Multiply 0.75 by 2.8×10−5

Question

.(1 point)
Responses

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

2.1×10−7
2 point 1 times 10 to the negative 7 power

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

2.1×10−6

Answer 1

2 point 1 times 10 to the negative 6 power