Question

Arrange the following numbers from most precise to least precise: 0.0034 m, 45.6 m, 1234 m, 12.05

1. 0.0034 m, 45.6 m, 1234 m, 12.05 m
2. 1234m, 45.6m, 12.05m, 0.0034 m
3. 0.0034 m, 12.05 m, 45.6 m, 1234 m
4. 0.0034 m, 45.6 m, 12.05 m, 1234 m

Answer 1

The above numbers, if we want to arrange them from most precise to least precise they can be arranged as :

0.0034 m, 12.05 m, 45.6 m, 1234 m

• Most precise means the number which can be measured till the maximum decimal places.
• While least precise means the number nearest, it means till one decimal place or ones place.
• Thus, from the above numbers we can see 0.0034 can be regarded as the most precise numbers as it can be measured upto 4 decimals .
• while 1234 is the least precise number.

Thus the answer is Option C.

Answer 2

Given : 0.0034 m, 45.6 m, 1234 m, 12.05 m

To Find : Arrange the following numbers from most precise to least precise

1. 0.0034 m, 45.6 m, 1234 m, 12.05 m

2. 1234m, 45.6m, 12.05m, 0.0034 m

3. 0.0034 m, 12.05 m, 45.6 m, 1234 m

4. 0.0034 m, 45.6 m, 12.05 m, 1234 m

Solution:

Precision is the closeness of the measurements to each other

So more number of decimal points in measurement , more precise is the measurement

0.0034 m   4 Decimal points

45.6 m,    1 Decimal point

1234 m,    no decimal point

12.05       2 Decimal point

4 > 2  > 1  >  0

most precise to least precise:

0.0034 m ,  12.05  m ,  45.6 m ,  1234  m

Hence Correct option is :

3.   0.0034 m, 12.05 m, 45.6 m, 1234 m

learn more:

the most precise and accurate measurements are

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The true value of a certain length is 4.468m

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