Standard Forms

Question 1

What is a standard forms?

Answer 1

Standard form (also called scientific notation) is a way of writing very large or very small numbers

Question 2

Ax10^n

Answer 2

“A” can be called the front number. This number can be bigger than or equal to 1 but less than 10. “A” can be a decimal or whole number

Question 3

Ax10^n

Answer 3

“n” represents the power. This can be positive or negative whole number

Question 4

Examples..

Answer 4

3. 5x10^2 (correct)
4. 005x10^23 (The front number is less than 1)

8x10^7 (correct)

92.0x10^-12 (The front number is greater than 10)

7x10^3.2 (The power is not a whole number)

Question 5

Standard Forms con’t

Answer 5

If the power of the standard form is positive, it tells how many times we need to multiply the front number by 10.

3.5x10^4
This means that 3.5 will be multiplied by 10 4 times

This means that 3.5x10^4=3500

Question 6

Standard forms con’t 2

Answer 6

If the power of the standard form is negative, it tells how many times we need to divide the front number by 10

4.0x10^-3
This means that 4.0 with be divided by 10 3 times

4.0x10^-3=0.004