heidisuddeath
heidisuddeath heidisuddeath
  • 02-05-2020
  • Mathematics
contestada

If 2^5/2^a= 2^2, then a=

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ItzMikeSS
ItzMikeSS ItzMikeSS
  • 02-05-2020

Answer: 3

Step-by-step explanation:

[tex]\frac{2^5}{2^a}=2^2[/tex]

Multiply by [tex]2^a[/tex]

[tex]2^a*\frac{2^5}{2^a}=2^2*2^a[/tex]

[tex]2^5=2^2*2^a[/tex]

Divide by [tex]2^2[/tex] to isolate [tex]2^a[/tex]

[tex]\frac{2^5}{2^2}=\frac{2^2*2^a}{2^2}[/tex]

[tex]2^3=2^a[/tex]

Since we have the same base (2), we equal their exponents.

[tex]3=a[/tex]

Answer Link
VanimeldaWolf29
VanimeldaWolf29 VanimeldaWolf29
  • 08-03-2021

Answer:

a=3

Step-by-step explanation:

[tex]2^{5}=32[/tex]

[tex]\frac{32}{2^{a} }=4[/tex]

[tex]2^{a}=8[/tex]

a=3

Answer Link

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