Powers of 10

18 x 100

• 1,800
• 180
• 18,000
• 180,000

Tags

CCSS.5.NBT.B.5

42 x 10²

• 42,000
• 420
• 420,000
• 4,200

Tags

CCSS.5.NBT.A.2

10²

• 100
• 10
• 1000
• 20

Tags

CCSS.6.EE.A.1

10,000

• 10¹
• 10²
• 10³
• 10⁴

Tags

CCSS.5.NBT.A.2

45.89 x 10²

• 45.890
• 4,589
• 0.4589
• 458.9

Tags

CCSS.5.NBT.A.2

When evaluating a power of ten, a simple trick to use is to:

Ex: 10⁴ = ?

• Count the number of 1s

• Look at the exponent so you know how many zeros to add behind one

• 10s

• Look at the exponent so you know how many zeros to add behind ten

When multiplying by a power of ten, what is a simple trick you can use?

Ex: 3.4 x 10²

• A: To use the exponent to tell you how many zeros to add to the 1 to create a power of 10

• B: To use the zeros in a power of 10 to tell you how many places to move the decimal.

• C: Both A &B

• D: None

When multiplying by a number by a positive power of 10, move the decimal to the _____________

Example: 2 x 10⁴

• Left

• Right

When multiplying by a number by a negative power of 10, move the decimal to the _____________

Example: 2 x 10^-4

• Left

• Right

Which exponent will make this statement true?
10^? = 0.000001

• 6
• -6
• 7
• -7

Tags

CCSS.8.EE.A.3