Give the number of significant figures in this number: 0.115

At the number 0.115: the significant numbers are 3, namely 1.1 and 5

Significant numbers are numbers obtained from the measurement results consisting of exact numbers and the last number estimated

In scientific notation, all numbers displayed before the big order are called significant numbers

Scientific notation can be described as:

a, ... x 10ⁿ

a, ... called an significant number

10ⁿ   called a big order

Rules for significant numbers in general:

1. all non-zero numbers are significant numbers

2. a zero which is located between two non-zero numbers including a significant number

3. all zeros located in the final row written behind the decimal point include important numbers

4. zero as a decimal point is not an important number

We must be able to distinguish between the significant number and the exact number. The significance number is obtained from the measurement results while the exact number comes from the numerical activity

It is known in question number 0.115:

0 in front of commas is not an significant number because it is only a decimal point

So the significant figure is 3, namely 1.1 and 5

significant figures

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significant figures in the following number: 5.67 x 106

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the number of significant figures is 0.025

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0.080 significant figures

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the fewest number of significant figures

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