1. Use the mental math strategy of rounding (for example +1/-1, +2/- 2, +10/-10, or +20/-20) to add the following numbers. Write down how you would change the numbers in your head for each question. Ex. 27 + 51 28 + 50 = 78
a. 41 + 16
b. 79 + 14
c. 580 + 355
d. 174 + 620
e. 378 + 210

Someone . me. compound probability

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

100 points, hi, i’m not sure how to get the equation from the graph and table.