Standard index form

Question 1

Numbers in standard form have two parts. What are they?

Answer 1

A number greater than or equal to 1 and less than 10, multiplied by a power of 10

Question 2

What is 920,000 in standard form?

Answer 2

9.2 x 10 to the power of 5

Question 3

What is 0.00773 in standard form?

Answer 3

7.73 x 10 to the power of -3

Question 4

How do you multiply numbers in standard form?

Answer 4

Rearrange so the powers of 10 are together, then multiply the number parts, add the powers and rewrite in standard form if necessary.

Question 5

How do you divide numbers in standard form?

Answer 5

Rearrange so the powers of 10 are together, then divide the number parts, subtract the powers and rewrite in standard form if necessary.

Question 6

How do you add numbers in standard form?

Answer 6

Convert them into ordinary numbers, do the calculation, then change them back if you want the answer in standard form.

Question 7

How do you subtract numbers in standard form?

Answer 7

Convert them into ordinary numbers, do the calculation, then change them back if you want the answer in standard form.