josita1011 josita1011

21-10-2020
Mathematics

contestada

simplify 5^-4/5^3
please help!! :)

Respuesta :

megan2470 megan2470

21-10-2020

Answer:

1/78125 or 0.0000128 or 5^-7

Step-by-step explanation:

Apply exponent rule: x^a/x^b = x^a-b

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√4x+9 = 1-√2 giải phương trình

Factorise: 25x^2 - 1/49