ladybug37072
ladybug37072 ladybug37072
  • 02-10-2016
  • Mathematics
contestada

explain how to find 40 X 50 using mental math

Respuesta :

love2study
love2study love2study
  • 02-10-2016
first do 4x5 and then times by a hundred.
4x5=20
20×100=2000
so just add on the 2 zeros

Answer Link
ClutchMode
ClutchMode ClutchMode
  • 02-10-2016
just do 4 times 5 which is 20 and then add 2 more zeros and you get 2000
Answer Link

Otras preguntas

Factor the expession using the gcf. 20p-60=
find the measure of each interior angle given by the following figure
NEED HELP ASAP!! Find the mode of the following data set.
Tori buys 27 packges of miniature racing cars. Each package contains 5 cars. About how many miniature racing cars does tori buy?
If it takes a spell checker 33 minutes per 15 pages how long does it take for 65 pages
Select all that apply. If 2x²-6x=0, then
need help hurry please
Web sites such as YouTube, on which people share their own videos A) reach very limited audiences. B) cannot be used by politicians or government leaders. C) h
Donna and Ellis have been married for over 30 years which of the following is likely to be most important in their relationship
Briefly describe what a covenant is and how a covenant united the Plymouth colony.