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3 years ago

Which of the following measurements is expressed to three significant figures?

Chemistry

2 answers:

IgorLugansk [536]3 years ago

8 0

Hi there! it looks like you may have forgotten to list the options.

But here are some examples of numbers expressed to 3 sig figs, hopefully this can help:

29.2

30.1

0.00345

0.593

2.34

0.00000312

88800

3650

239

IRINA_888 [86]3 years ago

3 0

we need the three measurements to be able to asses significant figures.

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2 years ago

Read 2 more answers

Round off each number to the indicated number significant figures (sf):

qaws [65]

Answer :

(a) The given number in 2 significant figures will be, $3.6\times 10^3$

(b) The given number in 4 significant figures will be, $3.583\times 10^1$

(c) The given number in 3 significant figures will be, $2.24\times 10^1$

Explanation :

Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

(a) The given number 00003554 converted into 2 significant figures.

In 00003554, there are 4 significant figures. Now we have to convert it into 2 significant figures.

The given number in 2 significant figures will be, $3.6\times 10^3$

(b) The given number 35.8348 converted into 4 significant figures.

In 35.8348, there are 6 significant figures. Now we have to convert it into 4 significant figures.

The given number in 4 significant figures will be, $3.583\times 10^1$

(c) The given number 22.4555 converted into 3 significant figures.

In 22.4555, there are 6 significant figures. Now we have to convert it into 3 significant figures.

The given number in 3 significant figures will be, $2.24\times 10^1$

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3 years ago