Estimating Large and Small Numbers Using Power of 10

• 76.2

• 762

• 7620

• .762

• 4200

• 42,000

• 4,200,000

• 420,000

ESTIMATE 12,000,000 to the nearest 10 million then express

as a single digit and as a power of ten.

Express 145,000,000,000 in standard form.

Write 681,000 in standard form.

How would you write 0.0005 in standard form?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10^-3

• 0.5 x 10³

How would you write 564,000,000 in standard form?

• 5.64 x 10^-7

• 5.64 x 10⁶

• 5.64 x 10⁸

• 56.4 x 10⁷

Choose the smaller number.

Choose the bigger number.

What is 2.08 x 10²  ?

• 208
• 0.0208
• 20,800
• 0.208