The answer is 7.68. Since she gave one to her sister, she now has 6 to share with her friends. Now we can conclude the equation to solve this problem would be 6x1.28
126 years....it takes half of the sample to decay in 63 yrs. then half of the sample remaining, ( half of 50% is 25%) takes another 63 years which would total at 126
Answer:
90 and 10
Step-by-step explanation:
90 + 10 = 100
90 - 10 = 80
Answer:
650
Step-by-step explanation:
822-72=650
We have to write
In log form
To convert exponential equation to log equation, we have to use the following rule
So we will get
or
And that's the required log form .
