98. Simplify: (iii) 49 x z^-3/7^-3 x 10 x z^-5 (z ≠ 0) 98. Simplify: (iii) 49 x z^-3/7^-3 x 10 x z^-5 (z ≠ 0) July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related