Which of the following logarithmic expressions have been evaluated correctly? a. ln1=0

b. log2 9=3

c. log 1/100=12

d. log3 (−1)=13

e. log5 1/125=−3

What is the pattern in the values as the exponents increase?

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas