Maths
>
GCSE
>
Positive and Negative Integers
>
How do you...
3 years ago
·
1 Reply
·
1802 views
Rosanna Gislason
1 Answer
Energetic Oxford Engineering Student teaching Maths and Physics.
Say we multiply two numbers in standard form, 3x10^8 x 4x10^7. We can effectively multiply both parts separately, so 3*4=12 and 10^8x10^7=10^15 (by adding the indices for multiplication). Therefore we get 12x10^15, or 1.2x10^16
I'm available for 1:1 private online tuition!
Click here to view my profile and arrange a free introduction.Think you can help?
Get started with a free online introductions with an experienced and qualified online tutor on Sherpa.
Find a GCSE Maths Tutor