"+-" should always be changed to "-".
You have 3 - 7 - 2. You may evaluate this from left to right, obtaining -4 -2, or -6.
4 - 16 -2(2) involves multiplication, which must be carried out before addition or subtraction. Thus, 4 - 16 - 4. Working from left to right, we get -12 - 4 = -16
Answer:
2/3 + 4/5
√3 - √3 ( = 0)
√49 - √1
Step-by-step explanation:
Answer:
1.5 lpm
Step-by-step explanation:
12 laps divided by 8 minutes = 1.5 laps per minute
Answer:
20?
Step-by-step explanation:
