Significant Figures in Addition and Subtraction

Question 1

What is the sum of 22.82+2.2457 with the correct number of significant figures.

Answer 1

25.07

Question 1

Solve 33.129−18.0 with proper significant figures.

Answer 1

15.1

Question 2

How many significant figures are in the sum of 22.82+2.2457 ?

Answer 2

4

Question 3

Solve a+b+c, When a=25.164, b=74.1, c=46.98 using proper number of significant figures.

Answer 3

146.2

Question 4

Perform the given operation and report the answer with the appropriate number of significant figures. 1.307 m + 45.2 m = _____ m

Answer 4

46.5m

Question 5

The weight of a cup filled with water is 2.58 kg. The weight of the empty cup is 1.5 kg. Considering significant figures, what is weight of the water?

___ kg

Answer 5

1.1kg

Question 6

A beaker contains 15.23 mL of water. 6.7 mL of the water is measured and transferred out.

Considering significant figures, what volume can you be confident is left in the beaker?

Answer 6

8.5mL

Question 7

A balance reads an object A to be 45.1 kg. The balance reads another object B to be 33.46 kg . What is the total weight of both objects?

Answer 7

78.6

Question 8

What is the solution to the equation below, rounded to the correct number of significant figures?

4700 L – 281.4 L = _____ L

Answer 8

4,400

Question 9

Find the value of c with the correct number of significant figures from the equation a − b − c = 401, if a = 1387.11 and b = 928.321.

Answer 9

58

Question 10

Add 92.2 km to 9426 m and report the answer in km.

92.2 km + 9426 m = ____ km

Answer 10

101.6

Question 11

Calculate the given value using significant figures: 23.033 cm+34.045 cm+55.040 mm

Answer 11

ayuda

Question 12

What is 210 kg – 38 kg, rounded to the correct number of significant figures?

Answer 12

170

Question 13

The basic principle to use in working with ______ and ______ is that the answer should be rounded to the same number of decimal places as the measurement with the least number of decimal places.

Answer 13

Addition

Substraction

Question 14

What is 13.48 cm + 7.6 cm, rounded to the correct number of significant figures?

Answer 14

21.1cm

Question 15

How many significant figures are present in the sum of 6.0025+9.1?

Answer 15

3

Question 16

The subtraction of these value 4.682−2.34 is equal to 2.43 by using significant figures.
True or False?

Answer 16

false

Question 17

In the expression 18.4215−6.01, the answer should be reported with up to two decimal places.
True or False?

Answer 17

True

Question 18

While adding or subtracting a quantity, the answer contain no more decimal places than the least accurate measurement.
True or False?

Answer 18

True

Question 19

The resulting number of either addition or subtraction should have the same number of decimal places as the term with the least number of decimal places.
True or False

Answer 19

True

Question 20

There will be four significant figures in the result when we solve 67.32−6.95.

Answer 20

True