vampkim04
vampkim04 vampkim04
  • 23-07-2019
  • Mathematics
contestada

Simplify the expression.
20*5^-2

Respuesta :

slysoph
slysoph slysoph
  • 23-07-2019
The answer is 4/5

For negative exponents you do the reciprocal of the number and then get rid of the negative sign

For example) To make 5^-2 less complex it can also be written as: 1/5^2 or 1/25

Once it is rewritten as an easier number, you can simply solve the equation:

20 * 1/25
20/25
=4/5

~~hope this helps~~
Answer Link
grayhero119 grayhero119
  • 24-07-2019
The answer is 3/4
The work is shown in pic
Ver imagen grayhero119
Answer Link

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