ma4556
ma4556
25-03-2015
Mathematics
contestada
can you help me ? 20^n-2+6.5=87
Respuesta :
Panoyin
Panoyin
25-03-2015
20n - 2 + 6.5 = 87
20n + 4.5 = 87
-4.5 -4.5
20n
=
82.5
20 20
n = 4.125
or
20^n - 2 + 6.5 = 87
20^n + 4.5 = 87
-4.5 -4.5
20^n = 82.5
n ≈ 1.037
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