Maths

>

GCSE

Positive and Negative Integers

Question

How do you multiply using numbers in standard form?

2 years ago

·

1 Reply

·

1628 views

R

Rosanna Gislason


1 Answer

Oscar P Profile Picture
Oscar P Verified Sherpa Tutor ✓

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?

More Maths GCSE Questions
Sherpa Badge

Need a GCSE Maths tutor?

Get started with a free online introductions with an experienced and qualified online tutor on Sherpa.

Find a GCSE Maths Tutor