Question

Please help with 8th grade math. Will give medals and fan.

Answer 1

Divide (56 x 10^7) / (7 x 10^21). Express the answer in scientific notation.

8 x 10^-14

8 x 10^-3

8 x 10^3

8 x 10^28

Answer 2

@Jack1

Answer 3

I went with A

Answer 4

\[\huge \frac {56 \times 10^7}{ 7 \times 10^{21}}\]
\[\huge \frac {56 \times 10^{\color{red}{0}}}{ 7 \times 10^{(21 \color{red}{- 7})}}\]
\[\huge \frac {56}{ 7 \times 10^{14}}\]
\[\huge \frac {7 \times 8}{ 7 \times 10^{14}}\]
\[\huge \frac { 8}{ 1 \times 10^{14}}\]

Answer 5

so yep, u were right, A

Answer 6

An easier way to do it would be, 56 / 7 = 8. 7 - 21 = -14. 8 x 10^-14

Answer 7

yep, wasn't sure if u wanted the steps though or just the answer dude