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  • 01-04-2020
  • Mathematics
contestada

simplify:
[tex] {5}^{ - 8} \times {5}^{4} [/tex]
​

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 01-04-2020

Answer:

5^ -4   or  1/ 5^4

Step-by-step explanation:

5^ -8  * 5^4

We know that a^b * a^c   = a^(b+c)

5^ -8  * 5^4 = 5^(-8+4) = 5^ -4

We know that a^ -b =  1/ a^b

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