Answer:


Step-by-step explanation:
Given

Required
Express as an exponential notation

Apply the following law of indices

This gives:


<em>The second complete is incomplete; However, I'll assume it is: 35 times 35</em>

Using the same law applied in (1) above:


Answer:
62.8
Step-by-step explanation:
The radius of the blue circle is 5+5=10
the circumference is 2πr so
2(3.14)10= (using 3.14 as π)
20(3.14)=
62.8
32,000 x 0.5 = 16000
16000- 5000 = 11000
11000 / 32000= 0.34375
1- 0.344= 0.656
Answer : D
Read method 2 of the article to understand how to do it:
https://www.wikihow.com/Balance-Chemical-Equations