Mrs. Butler worked on school things Monday afternoon. She spent a total of five hours on school. She graded 236 assignments and created Tuesday's lessons. It took her one hour and twenty minutes to make the lessons. How much time did each assignment take to be graded?

1 minute and 4 seconds

Step-by-step explanation:

5 hours - 1hour 20mins = 3hours 40 mins

3 hours 40 mins = 220 minutes

236 / 220 = 1.07272... x0.6 x 100 = 64.36... seconds

1 minute and 4 seconds

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

600,000,000,000, or 6e14

step-by-step explanation: