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

4/9 multiplied by 1/8
im looking for a clear answer
All the continents were joined together in a supercontinent that wgener's called...
after working for 25 hours, Lamar made $375. After working 40 hours, Lamar made $600. Predict how much he would make after 10 hours of work?
What are the energy in a plant?
Fill in the blanks with the correct spanish words: "la muchacha _______ no es tan
For a brief time during reconstruction, African Americans had a majority of seats in the lower house of which states legislature?
Kendra bought a pieace of fabric that was 14 feet long .lisa bought a pieace of fabric that was 3 yards long .kendra wanted to cut her fabric so that it was the
What is the elasped time for 9:30p.m to8:30a.m?
37 children saturday and 25 sunday. how many whre there on those two days?