01:34:18 Find the difference of the numbers. Express your answer in scientific notation.

(9.84 times 10 Superscript 10 Baseline) minus (7.99 times 10 Superscript 9 Baseline)

1.85 times 10 Superscript 9
9.041 times 10 Superscript 9
1.85 times 10 Superscript 10
9.041 times 10 Superscript 10

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air