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100
The person who first discovered logarithms.
Who is John Napier?
100
log(xy)
What is log(x)+log(y)?
100
log
10
0.000001
What is -6?
100
5logx+5logy
What is log(xy)
5?
100
5
x-4
=25
x-6
What is 8?
200
This made number crunching using logarithms obsolete.
What is cheap pocket calculators?
200
log(xzw)
7
What is 7log(x)+7log(z)+7log(w)?
200
log
3
243
What is 5?
200
5log(x)+log(y)-log(z)
What is log(x
5
y/z)?
200
7
3x+4
=49
2x+1
What is 2?
300
This is when people stopped using logarithms and calculators became common.
What is the 1960's?
300
log
4
xy
3
What is log
4
x+3log
4
y
300
log
9
27
What is 3/2?
300
6log(x)+4log(x)-7log(x)
What is log(x)
3?
300
4
2x-5
=64
3x
What is -5/7?
400
Name an application for logarithms.
What is (musical intervals, pH, forensic accounting, fractals, radioactive decay, etc.)
400
log(xy/zw)
What is log(x)+log(y)-log(z)-log(w)?
400
log
0.25
64
What is -3?
400
5log(x)-6log(y)-7log(x)
What is log(1/y
6
x
2)?
400
log
5
(2x-7)=log
5
(3x-9)
What is no solution?
500
This person is responsible for our present-day notion of logarithms.
Who is Leonhard Euler?
500
log(x
3
4/y
5
)
What is log(x)+log4-5log(y)?
500
log
1.6
0.625
What is -1?
500
3/2log(x
4
)+2/3log(y
6
)
What is log(x
6
y
4
)?
500
log
2
x+log
2
(x-2)=3
What is 4?
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