I was stuck on the same thing in my class test. I ended up failing but if I get the answers to it I’ll totally send them to you
Add then multiply b through, e to f, hopethsie helps
Answer:
THE 1ST AND 3RD
Step-by-step explanation:
You need to multiply the base by the height.
Answer:

Step-by-step explanation:
All numbers in scientific notation or standard form are written
,
where m is a number between 1 and 10.