Find the value of x in each of the following:

by

Find the value of x in each of the following:
(i) 7x = 343
(ii) 3x = 729
(in) (-8)x = -512
(iv) (-4)x = -1024
(v) \left( \frac { 2 }{ 5 } \right) ^{ x } = \frac { 32 }{ 3125 }
(vi) \left( \frac { -3 }{ 4 } \right) ^{ x } = \frac { -243 }{ 1024 }

Solution:

ML Aggarwal Class 7 Solutions for ICSE Maths Chapter 4 Exponents and Powers Ex 4.1 10
ML Aggarwal Class 7 Solutions for ICSE Maths Chapter 4 Exponents and Powers Ex 4.1 11
ML Aggarwal Class 7 Solutions for ICSE Maths Chapter 4 Exponents and Powers Ex 4.1 12

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