Approximation and Errors

How many sig figs are there?
100.00

• 1
• 3
• 4
• 5

How many sig figs are there?
4004

• 1
• 2
• 3
• 4

Round 0.010229 to four sig figs

• 1022
• 1023
• 0.01023
• 0.01022

Round 1047.78 to three sig figs

• 104
• 105
• 1050
• 1050.00

Tags

CCSS.5.NBT.A.4

What is 78.5 rounded to one significant figure?

• 79

• 8

• 78

• 80

Tags

CCSS.5.NBT.A.4

The weight of a bag of potatoes is 25 kg, correct to the nearest kg.

What is smallest possible weight of the bag of potatoes?

• 24 kg

• 24.5 kg

• 25 kg

• 25.5 kg

A rectangular plot of land has sides with lengths of 38 m and 52 m correct to the nearest m.

Calculate the maximum possible values of the perimeter of the rectangle.

• 180 m

• 147 m

• 91 m

• 182 m

Hannah measures with a ruler that has marks every 0.1 cm. She says that the lengths of the side of a rectangle are 8.5 cm and 12 cm correct to 1 decimal place.

Calculate the minimum possible values of the perimeter of the rectangle.

• 20.4 cm

• 39.9 cm

• 40.6 cm

• 40.8 cm

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?

• 16.67%

• 20%

• 2500%

• 80%

Tags

CCSS.7.RP.A.3

The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

• 15.79%

• 18.75%

• 2.25%

• 18%

Tags

CCSS.7.RP.A.3