Answer:
Step 4 is where she made the error.
Step-by-step explanation:
This step is actually known as the commutative property. That property states that we can change the order of numbers as long as we keep the signs and it maintains it's validity.
Answer:
ok
Step-by-step explanation:
9+10=21
Answer:8498
Step-by-step explanation:
(7*1000)+(7*200)+(7*10)+(7*4)
7000+1400+70+28
8498
Answer and Step-by-step explanation:
[] means to take the absolute version of the number. That means if the number is negative or positive, the outcome is always positive.
14.
-[3] = -3
15.
[5 + 9] = 14
16.
[17 - 8] = 9
#teamtrees #WAP (Water And Plant)