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

True or False:

When writing

a number in standard form,

the first number must be

greater than 1 but less than 10.

• FALSE

• TRUE

True or False:

13.7 × 10³ is written in standard form.

• True

• False

What is 6.7 × 10⁴ written

as an ordinary number?

• 67000

• 6700

• 670000

• 0.00067

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

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

(6 × 10²) + (3 × 10³)

Give your answer in standard form.

• 3.6 × 10²

• 3.6 × 10³

• 3,600

Calculate

(12 × 10³) ÷ (4 × 10¹)

Give your answer in standard form.

• 3 × 10²

• 300

• 3 × 10⁴