The answers are on Google if type in the topic and page number
You cant add 70 dm to 3 m because they are not like terms
2x since if x = 2 then 2(2) = 4
If x=4 then 2(4) = 8
etc.
I really hope that this helped you out hon :)
Answer:
the answer is 21,000
Hope this helps!
Step-by-step explanation:
