STEM103-Significant Figures

Round off 0.0012485 m correct up to 3 significant figures.

• 0.001 m

• 0.0125 m

• 0.00125 m

• 0.00124 m

How many significant figures are there in a substance with a mass of 0.042 grams?

• 4

• 2

• 3

• 5

If there is a zero between two non-zero digits then it is also a

• decimal

• exact value

• numerical value

• significant figure

In the number 4105 how many significant numbers are there?

• 1

• 2

• 3

• 4

How many significant figures are there in 0.003000?

• 1

• 2

• 3

• 4

How many significant digits are there in the number 46.32104?

• 5

• 2

• 7

• 6

The number of digits in a value, also a ratio, that contribute to the degree of accuracy of the value are

• decimals

• exact value

• numerical value

• significant figures

Round the measurement into 5 significant figures:

0.000005006789 kg.

• 0.00000500678

• 0.0000050068

• 0.00000

• 0.000005

In the number 0.00500 how many significant numbers are present?

• 1

• 3

• 5

• 6

What is the round off value of 108.76 to the nearest whole number?

• 107

• 108

• 109

• 106