Answer:
1, 120
Step-by-step explanation:
3.2 x 107 = 342.4
+ 7.2 x 108 = 777.6
_____________________
(3.2 × 107) + (7.2 × 108) =
342.4 + 777.6 =
1120
Answer: To increase an amount by 7%, you would want to use 1.07 as the multiplier. To decrease it, you would use 0.93
817/91 =8.98
she needs to make about 9 rings each day
Answer: -2
Step-by-step explanation:-2