Answer:
12
Step-by-step explanation:
Answer:
1km=7 mins
3km = 21 mins
Step-by-step explanation:
Answer:
<em>d)</em> times
Step-by-step explanation:
<u>Scientific Notation</u>
We are given two quantities and we must find the ratio between them and use scientific notation.
The diameter of a pearl is about
Converting to meters, we divide by 100
The diameter of an atom is about
The ratio between both diameters is:
Answer: d) times