Logarithms
Condense
Expand
Evaluate
Zilban Lore
100

What's the main difference between a logarithmic scale and a linear scale?

A linear scale has equal spacing or equal temperament; a logarithmic scale does not.

100

Condense  log 7 + log b 

What is  log 7b ?

100

Expand  log(5x) 

What is  log 5 + log x ?

100

log636

2
100

Does Zilban have a pet? What kind?

Yes; Zilban has a cat.

200

logbx + logby = 

logb(xy)

200
Condense 4log 2 + 3log 4
What is log 1024?
200

Expand  log(x^2/y^5) .

What is  2logx + 5logy 

200

log381

4

200

What states has Zilban lived in?

Virginia, Illinois, California, Oregon

300

logbx - logby = 

logb(x/y)

300

Condense log x + log 3 + 2log y 

What is log(3xy2)?

300

Expand  log(3/4xyz) 

What is  log 3 + log x + log y + log z - log 4 ?

300

log264

6

300

What's Zilban's top three favorite colors?

1. Green, 2. Purple, 3. Blue

400

logb1 always equals...

0 (zero)

400

Condense  3logx - 2log y 

What is  log (x^3/y^2) ?

400

Expand  log((3x^2z^2)/(5x)) .

What is  log 3 + logx + 2logz - log 5 + log x ?

400

log.01

-2

400

The number of real plants in Zilban's classroom vs. the number of fake plants

One real plants and seventeen fake plants

500

* logbx = 

logbxc

500

Condense  1/2(3log x + 3log y - 7log z) 

log((x^(3/2)y^(3/2))/z^(7/2))

or

log(sqrt((x^3y^3)/z^7))

500

Expand log(x2y5z4)1/2

What is 1/2(2log x + 5log y + 4log z)?

500

log9121

2.18

500

Zilban's height (feet and inches)

5 foot 11 inches

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