Approximation

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 1009 to three sig figs

• 100
• 101
• 1010
• 1000

What is 98.907 rounded to 1 significant figure?

• 98.9

• 90

• 100

• 1

How many significant figures are in 42.0 s?

• 1

• 2

• 3

• infinite

Round 1.82 to the nearest whole number.

• 1
• 1.8
• 2
• 2.8

Tags

CCSS.5.NBT.A.4

Write 4.92 correct to 1 decimal place (d.p.)

Write 4.377 correct to 2 decimal places (2 d.p.)

Tags

CCSS.5.NBT.A.4

True or False:

When writing

a number in standard form,

the first number must be

greater than 1 but less than 10.

• FALSE

• TRUE

Tags

CCSS.8.EE.A.3

What is 45,000 written in standard form?

• 45 × 10³

• 4.5 × 10⁴

• 4.5 × 10³

Tags

CCSS.8.EE.A.3