Adding the values: (8.65 x 10^-3) + (2.7 x 10^-4) - (9 x 10^-5)
= 8.65 x 10^-3 + 2.7 x 10^-4 - 9 x 10^-5
= 8.65 x 10^-3 + 0.27 x 10^-3 - 0.09 x 10^-3
= (8.65 + 0.27 - 0.09) x 10^-3
= 8.83 x 10^-3
So, the answer is 8.83 x 10^-3.
Add and subtract the values. Express your answer in scientific notation.
(8.65 times 10 Superscript negative 3 Baseline) + (2.7 times 10 Superscript negative 4 Baseline) minus (9 times 10 Superscript negative 5)
2.35 times 10 Superscript negative 4
2.67 times 10 Superscript negative 4
8.83 times 10 Superscript negative 3
9.01 times 10 Superscript negative 3
1 answer