Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 3 | E Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Rosie
Rosie

secondary 3 chevron_right E Maths chevron_right Singapore

Indices help asap ty

Date Posted: 1 year ago
Views: 196

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Low Yi Yin
Low Yi Yin's answer
251 answers (Tutor Details)
1st
Hope this helps! ;))
Rosie
Rosie
1 year ago
thank you but can u explain c?
Low Yi Yin
Low Yi Yin
1 year ago
For (c),
1) I split the 5 and 7, 1/7 = 7^-1.
2) Then use laws of indices like a^m+1 = a x a^m and (a^5)^7 = a^35 to make 5^m and 7^m come out
3) sub x and y in