Answer:
ok
Step-by-step explanation:
why did you put it
Tens refers to the unit 10,
This means that 45 10s is equal to:
45*10 = 450
Hope this helps! :)

There may be an error with the first answer choice because it can't have a negative. The problem is x + 2.6 = 3.5 correct?
Hope this helps!
Answer:
yes
Step-by-step explanation:
yes