Standard form

What is standard form?

• Writing numbers as a

  calculator writes numbers

• A system of writing

  very large or very small numbers

• Writing numbers as decimals

Tags

CCSS.8.EE.A.3

True or False:

When writing

a number in standard form,

the first number must be

greater than or equal to 1 but less than 10.

• FALSE

• TRUE

True or False:

13.7 × 10³ is written in standard form.

• True

• False

Tags

CCSS.8.EE.A.3

What is 6.7 × 10⁴ written

as an ordinary number?

• 67000

• 6700

• 670000

• 0.00067

Tags

CCSS.8.EE.A.3

What is 3 × 10^-2 written

as an ordinary number?

• 300

• 3000

• 0.03

• 0.3

What is 45,000 written in standard form?

• 45 × 10³

• 4.5 × 10⁴

• 4.5 × 10³

Tags

CCSS.8.EE.A.3

What is 0.00051

written in standard form?

• 5.1 × 10^-4

• 51 × 10^-4

• 5.1 × 10^-5

What is 162 × 10³

written in standard form?

• 1.62 × 10⁶

• 1.62 × 10⁵

• 162,000

Calculate (2 x 10⁵) x (3 x 10²)

• 5 x 10⁷

• 6 x 10¹⁰

• 6 x 10⁷

• 5 x 10¹⁰

Calculate. ( 5 x 10^-3) x (4 x 10^-2)

• 20 x 10^-5

• 2 x 10^-6

• 2 x 10^-4

• 20 x 10⁶