The use of electricity in the US in 1902 was 6.03 x 10^9 kilowatt-hours. The use of electricity in the US in 1950 was 4.3 x 10^11 kilowatt-hours. How many times more was the electricity used in 1950 than 1902? Express your answer in Scientific Notation. (2 points) Responses Divide coefficients and subtract powers: 1.4 x 102Divide coefficients and subtract powers: 1.4 x 102Divide coefficients and subtract powers: 1.4 x 102Divide coefficients and subtract powers: 1.4 x 102 Add coefficients and add powers: 10.33×1020Add coefficients and add powers: 10.33×1020Add coefficients and add powers: 10.33×1020Add coefficients and add powers: 10.33×1020 Multiply coefficients and add powers: 2.6×1021Multiply coefficients and add powers: 2.6×1021Multiply coefficients and add powers: 2.6×1021Multiply coefficients and add powers: 2.6×1021 Subtract coefficients and divide powers: 1.73×102Subtract coefficients and divide powers: 1.73×102Subtract coefficients and divide powers: 1.73×102Subtract coefficients and divide powers: 1.73×102 Divide coefficients and subtract powers: 7.13×101

Answer 1

The electricity used in 1950 was approximately 71.3 times more than in 1902, expressed in scientific notation as 7.13 x 10^1.