2. Simplify and express the result in power notation with positive exponent: (v) 2^-3 × (-7)^-3 2. Simplify and express the result in power notation with positive exponent: (v) 2^-3 × (-7)^-3 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,