Answer:
A = 2.1 ft^2
Step-by-step explanation:
The area of a triangle is
A = 1/2 bh where b is the base and h is the height
A = 1/2 ( 2.8)(1.5)
A = 2.1 ft^2
Answer:
387
Step-by-step explanation:
Formula: 

Answer:
the answer is written in the picture.
Step-by-step explanation:
Answer:
2,000 then 20,000
Step-by-step explanation:
each time it is being multiplied by 10( just adding a zero)