Answer:
50 · (2 x 10^6) = 1 × 10^8
Step-by-step explanation:
In scientific notation a large number is converted to an equivalent decimal number between 1 and 10, multiplied by 10 raised to some power. Very small numbers are converted to an equivalent decimal number between 1 and 10, multiplied by 10 raised to some negative power.
Speed = distance divided by time. Plug in what you know.
Speed = 51.2 km / 4 hrs. ****** Simplify *******************
Speed = 12.8 km/hr
Answer:
Step-by-step explanation: is b
Answer:
1390
Step-by-step explanation: