Question 5 is the second one.
Answer:
1x 10⁴ m or 1000 meters
Explanation:
1 hectometer = 100 meters
10 hectometers = 10 x 100 meters = 1000m
or in scientific form = 1 x 10⁴
Answer: It’s called a alpha particle
Explanation:
Answer:
21.65
Explanation:
The average = total divided by the number of readings
21.57
22.04
<u>21.35</u>
Total = 64.96
Average = 64.96 / 3 = 21.65
Thy answer tis
1:2
ahh but why you may ask?
because there's 1 carbon bonded with 2 hydrogens.
the simplest answer,
because chemistry.