Answer:
please find attached pdf
Step-by-step explanation:
Answer:
2, 3
1.01, 1
Percentage uncertainty
Step-by-step explanation:
a) The significant figures in the number 99 is 2
The significant figures in the number 100 is 3
b) Uncertainty in each of the numbers for both the numbers is 1
Percentage uncertainty
99

Percentage uncertainty = 1.01
100

Percentage uncertainty = 1
c) Percentage uncertainty is a better way to express the numbers as the significant figures do not show the actual value of the numbers.
4 times 18 is 72 use a calculator and divide 72 by each number and you’ll find numbers
Step-by-step explanation:
The ratio of the two shorter legs of the top triangle is

The bottom triangle has the following ratio:

Since their ratios are the same, this means that the two triangles are similar.
I got 5 times 45 because I multiplied by 5 to get my answer.