A computer stock lost 3 points each hour for 6 hours. Find the total points that stock lost.

18 points

Step-by-step explanation:

3 times 6 = 18

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.