Respuesta :
Answer:
Step-by-step explanation:
"A rectangular room measures 3.8 meters in length and 4.9 meters in width. Jana multiplies both numbers together. Which expression would be best for her to use to check the reasonableness of her decimal multiplication?"
given that
the length is 3.8m long and,
width is 4.9m wide
The expression for the area is
Area= length * width
Area= 3.8*4.9
Area= 18.62 m^2
Therefore the expression best for her to use to check the reasonableness of her decimal multiplication is the area which is 18.62 m^2
Answer:
bc you dont got nun right there but the question so i think 4 times 4 but
Step-by-step explanation: