2 years ago

Solve p-|5|x|-3|=-20

Mathematics

1 answer:

Nookie1986 [14]2 years ago

3 0

Answer:

Step-by-step explanation:

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Please do question 4 and 5 only. <br><br> I will mark brainliest to well explained answers.

Eva8 [605]

4) D
5) 19d

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3 years ago

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

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

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.

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The quotient obtained when an integer is divided by its additive inverse is ________________.

Ahat [919]

Answer:

-1

Step-by-step explanation:

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PilotLPTM [1.2K]

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sertanlavr [38]

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Step-by-step explanation:

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