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

How would the table change if the pattern was multiply the number of tanks by 8
Before the U.S. invaded Grenada, it asked the Organization of Eastern Caribbean States to make a formal request for America's intervention. In a 125-word paragr
Someone help me please 1.) Auntie Sonya wore a blank expression a.) hungry b.) friendly c.)quarrelsome d.)sorrowing 2.) uncle shura calls the narrator a______ a
During the era of j. edgar hoover, special agents were required to:
Read the stanza from “Old Ironsides” by Oliver Wendell Holmes. No more shall feel the victor’s tread, Or know the conquered knee;— The harpies of the shore sha
Couples should not allow cultural to influence their parenting decisions
what abbreviation represents social security payments taken on a paycheck.
What values of early national government were revealed by the provisions in the Northwest Ordinance of 1785? A. interest in selling lands to foreign countries t
Why should new foods be introduced to an infant one at a time?
According to valence bond theory, which orbitals overlap in the formation of the bond in hcl?