1 ounce = 28.3495 grams
13 x 28.3495 = 368.544 grams
round answer as needed
The answer for your problem (1) is 7.41
The answer is A, as it is 3 over on the x axis and 12 up on the y
A calculator (addition) has one and exactly 1 output for every addition problem that you use as an imput
