Condensing and Expanding
9 log c+ 8 log y
log(c9y8)
log7(8x)+2 log7(8)=2
x=49/512
Element X decays radioactively with a half life of 12 minutes. If there are 270 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 10 grams?
57.1
log2(x+2)+log2(3)=log2(27)
x=7
log x5/y3
5 log x - 3 log y
log2(8x)-3 log2(6)=0
x=27
Element X decays radioactively with a half life of 9 minutes. If there are 890 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 238 grams?
17.1
log3(x)+log3(x-2)=log3(x+10)
x=5
log x2/y7
2 log x - 7 log y
log6(4x)+ log6(9)=3
x=6
The bird fossil sample was found to have 1.79 * 10-9 grams of carbon-14. It is estimated it originally had contained 3.32 * 10-9 the halflife of this is 5730 what is the age of this fossil sample?
age:5107
log5(x+2)-log5(x)=log5(2x-1)-log5(3x-12)
x=8
log y4x2/z
4 log y + 2 log x - log z
log7(5x)- 3 log7(2)=0
x=8/5
the sample of a piece of slab was found to have lost 36.5% of its original carbon-14 what is the age of this ample of slab if its half life is 5730
age:3754
1/2log(x4)-log(2x-1)=log(x2)+log(2)
x=3/4
log y9c5x8/z4
9 log y + 5 log c + 8 log x - 4 log z
log3(6x)+log3(2)=3
x=9/4
A sample of a piece of tissue was found to have 0.0076 grams of carbon-14. It is estimated it origanally would have contained 0.0145 grams of carbon-14 what is the age of this piece of tissue if the half life is 5730?
5340
In(3x)=In(4x-1)+In(1-x)
x=1/2