The mass of a dust particle is approximately 7.5×10−10
kilograms and the mass of an electron is 9.1×10−31
kilograms. How many electrons does it take to equal the mass of a dust particle?(1 point)
Responses
6.8×10−41
6 point 8 times 10 to the negative 41 power
8.2×10−20
8 point 2 times 10 to the negative 20 power
1.2×10−21
1 point 2 times 10 to the negative 21 power
6.8×10−40
6 point 8 times 10 to the negative 40 power
8.2×1020
8 point 2 times 10 to the 20th power
1.2×1021