Question

What is 4.6 × 10^8 cm/min in meters per hour?

A.
2.76 × 10^8 m/h

B.
2.76 × 10^10 m/h

C.
7.67 × 10^6 m/h

D.
7.67 × 10^8 m/h

Answer 1

1h=? min

Answer 2

?

Answer 3

60.

Answer 4

ok, 1m=?cm?

Answer 5

100

Answer 6

correct

Answer 7

\[4.6 × 10^8 \frac{ cm }{ \min }\times \frac{ 60\min }{ 1h }\times \frac{ 1m }{ 100cm }=\]

Answer 8

can you do it ?

Answer 9

no

Answer 10

we have
1m=100cm and 1h=60min

Answer 11

ok

Answer 12

we need this quantity in m/h, so we cancel first min and replace it with h

Answer 13

ok

Answer 14

\[4.6 × 10^8 \frac{ cm }{ \min }\times \frac{ 60\min }{ 1h }\]