Approximation and Percentage Error

Which of the following numbers has the most significant figures: 0.0056, 0.056, 0.00056, 0.000056?

• 0.0056

• 0.056

• 0.000056

• 0.00056

Tags

CCSS.8.EE.A.4

What is the result of rounding 3.567 to the nearest tenth?

• 4.0

• 3.6

• 3.7

• 3.5

Tags

CCSS.5.NBT.A.4

What is the result of rounding 7.893 to the nearest hundredth?

• 7.8

• 7.85

• 7.89

• 7.80

Tags

CCSS.5.NBT.A.4

What is the result of rounding 4.567 to the nearest whole number?

• 5

• 4

• 4.5

• 5.5

Tags

CCSS.5.NBT.A.4

Find the value of "?" using approximation :

14.03 * 27.489 - 8.749 * 16.04 = ?

• 210

• 250

• 295

• 325

• 350

Tags

CCSS.5.NBT.B.7

Find the value of "?" using approximation :

-(4.99)³ + (29.98)² - (3.01)^{4 = ?}

• 550

• 590

• 620

• 650

• 690

Tags

CCSS.8.NS.A.2

Express 0.00629946 to 3 significant figures

• 0.000

• 0.006210

• 0.00629

• 0.00630

• 1.22

• 1.23

• 0.12

• 0.13

Tags

CCSS.7.NS.A.1C

Sum up the following numbers 0.032, 4.154, 6.0 and 0.3065 to two decimal places (Neco 2013)

• 10.00

• 10.40

• 10.49

• 10.50

Tags

CCSS.5.NBT.B.7

The number 192039 was corrected to 192000 by a student. Which of the following can be the correct approximation of figures taken? (2015 NECO, 29)

i) to the nearest hundred ii) to the nearest thousand

iii) to 3 significant figures iv) to 4 significant figures

• i and ii only

• ii and iii only

• iii and iv only

• i, ii, iii and iv

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3