3 years ago

Which value of x makes the numerical sentence true? 25^ 1/2 × 5 ^–3 = 5 ^x

Mathematics

2 answers:

Elenna [48]3 years ago

5 0

5^-3=0.008
1/2=0.5
0.5*0.008=0.004
5/0.004=1250

Levart [38]3 years ago

5 0

<span>25^1/2 × 5^–3 = 5 ^x
(5^2)1/2 </span>× 5^–3 = 5^x
5^1 × 5^–3 = 5^x
5^-2 = 5^x
-2 = x
or
x = -2

answer
x = -2 <span>makes the numerical sentence true</span>

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