Given:
(5√7)/(4√7 - 0.4) and √7 = 2.6
Solution:
Step 1: Substitute √7 = 2.6 into the expression:
= (5 × 2.6)/(4 × 2.6 - 0.4)
= 13/(10.4 - 0.4) = 13/10
Step 2: Simplify:
13 / 10 = 1.3
Thus, the value of the expression is 1.3.
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