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klemol [59]
3 years ago
13

Which addition expression

Mathematics
1 answer:
mina [271]3 years ago
6 0

Answer:(9+41)+-1-71)

Step-by-step explanation:

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a) How many significant figures are in the numbers 99 and 100? (b) If the uncertainty in each number is 1, what is the percent u
levacccp [35]

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

\text{Percentage uncertainty}=\frac{\text{Uncertainty}}{Value}\times 100 \\\Rightarrow \text{Percentage uncertainty}=\frac{1}{99}\times 100=1.01

Percentage uncertainty = 1.01

100

\text{Percentage uncertainty}=\frac{\text{Uncertainty}}{Value}\times 100 \\\Rightarrow \text{Percentage uncertainty}=\frac{1}{100}\times 100=1

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.

6 0
4 years ago
Jack has 35 pages to read by the end of the day. He
Lisa [10]

Answer:

your answer is H

Step-by-step explanation:

8 0
3 years ago
Please help meee, I’m having trouble in math. I solved the answer but got none of these.
tino4ka555 [31]
The answer is C

2.5 + 3.4 = 5.9

So:

5.9 x 10^4
6 0
3 years ago
Find the unit rate for each, then compare. Which is faster?
son4ous [18]

Answer:

8 laps in 70 seconds is faster.

Step-by-step explanation:

If we divide 70/8 and 98/12 we get the following:

70/8= 8.75

98/12=8.16

8.75>8.16

The unit rate is 1 lap in 8.75 seconds and 1 lap in 8.16 seconds

4 0
3 years ago
Help me i really don't understand
finlep [7]
1) 1 dot
2) figure 1 + 3 dots
3) figure 2 + 5 dots
4) figure 3 + 7 dots
5) figure 4 + 9 dots
and keeps going....

The next figure, takes the solution of last figure and add odd number in increasing order.
In this type of problem, find a matter.
4 0
3 years ago
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