Evaluate: (^-2/₇)^-4 × (^-5/₇)²

If 2^n-1+2^n+1=320 then n is equal to-

please tell me

What is HERON'S formula? with example and explanation.

Who is the father of powers and exponents?

by what number should (-16)^-1 be divided so that the quotient may be (4)^-1

IF a^x=b^y=c^z and b²=ac,Then y equals?

write it in scientific notation

39.7 ,0.45 ,4134500000 ,473 ,0.31 ,459731452 ,68450

please tell this answer meritnation experts

If pqr =1, then prove that :

1/ ( 1+p+q ^-1 ) + 1 / (1+q+r^-1 ) + 1 / (1+r + p ^{- 1} ) = 1

1. if the diameter of the sun and the earth are 1.4* 10⁶ m and 1.275 * 10⁷..compare these two.
2. the size of red blood cell is 0.000007 m and the size of plant cell is 0.00001215 m ..compare these two

please solve these...!! ^_^

express 4^-3 as a power with base 2

Can you metion the laws of exponents and powers?

Find the value of m for which 5^m ÷5⁻³ = 5⁵.