Standard Index form

• 340000

• 340

• 3400

• 34000

• 0.012

• 0.12

• 1.2

• 12

• 5.4 × 10^-4

• 54 × 10⁵

• 5.4 × 10⁵

• 5.4 × 10⁴

• 7 × 10^-4

• 0.7 × 10^-4

• 7 × 10⁴

• 7 × 10^-5

• 12.8 × 10⁷

• 1.28 × 10⁵

• 1.28 × 10⁶

• 1.28 × 10⁷

True or False:

When writing

a number in standard form,

the first number must be

greater than 1 but less than 10.

• FALSE

• TRUE

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

Evaluate...

(5.2 × 10¹⁸) × (2 × 10⁵)

• 10.4 × 10²³

• 1.04 × 10²⁴

• 10.4 × 10²⁴

• 1.04 × 10²³