Standard form definition

Question 1

What must the the value of A in the standard form be

A * 10ⁿ

Answer 1

A must be 1 or more but less than 10

Question 2

What does the n in the standard form represent

A * 10ⁿ

Answer 2

n is the exponent or ‘power of 10

it represents the number of 0’s in the multiples of 10

Question 3

Why do we need to use standard form to represent numbers

Answer 3

We do it when the numbers are very large or very small

Question 4

When n is positive, is the number very large or very small

A * 10ⁿ

Answer 4

it is very large

2 * 10⁶ = 2 000 000

we add 6 zeros to the number

Question 5

When n is negative, is the number very large or very small

A * 10ⁿ

Answer 5

it is very large

2 * 10^-6 = 0.000002

we shift the decimal place to the left