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January 30, 2015

January 30, 2015

Posted by **Daniel** on Sunday, April 7, 2013 at 10:13pm.

Find the value of each of the following. Leave your answers as fractions where appropriate.

[I did these myself but need to answer-check]

a) log[base4](1/8)

b) 10^(-10log3)

c) 2log[base3](9)

d) log[base3](3)^(2x)

ans:

a) -3/2

b)(1/3)^10

c) 4

d)3x

These may be wrong, please give me feedback, thx

- math -
**Reiny**, Sunday, April 7, 2013 at 11:03pma) corrrect

b) 10^(-10log3)

= 10^(log3^-10

= 3^-10 ...... using the property a^log_{a}k = k

- math -
**Reiny**, Sunday, April 7, 2013 at 11:06pmc) correct

d) log_{3}3^(2x)

= 2x log_{3}3

= 2x(1)

= 2x

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