200003988
200003988 200003988
  • 02-10-2019
  • Mathematics
contestada

5^(-7)*5^(12)*5^(-2)

with steps

Respuesta :

tmarsheuna
tmarsheuna tmarsheuna
  • 02-10-2019

Answer:

=125

Step-by-step explanation:

5−7)(512)(5−2)

=

1

78125

(512)(5−2)

=

1

78125

(512)(5−2)

=(

1

78125

(244140625))(5−2)

=3125(5−2)

=3125(

1

25

)

=125

Answer Link
elliottou
elliottou elliottou
  • 02-10-2019

Answer:

125

Step-by-step explanation:

in any exponential multiplication, the exponents add together

x^y X x^y = x^2y

so 5^-7  X 5^12  X 5^-2 is equal to 5^(-7+12-2) = 5^3

5^3 = 5 X 5 X 5 = 25 X 5 = 125

Answer Link

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