Agnessesay2008 Agnessesay2008
  • 11-10-2017
  • Mathematics
contestada

Explain how to find 40×50 using mental math

Respuesta :

Stochastic
Stochastic Stochastic
  • 11-10-2017
4*5 is 20
add 2 zeroes to the end because of the two you took out from 40 and 50
40*50=2000
Answer Link
daisymaisy daisymaisy
  • 11-10-2017
Using mental math you can look at this a do 4 times 5 = 20 then, add the two zeros back in.. and your answer is 2000 :)
Answer Link

Otras preguntas

she to be a ballet dancer when she up
Students who major in science- or math-related fields would be eligible for the _____ grant
How were farmers affected in the 1920’s
Select one: a. neutral b. weakly basic c. weakly acidic d. strongly acidic e. strongly basic
If you pick up and carry a piece of heavy furniture which type of friction do you have with the floor
Unlike Catherine's love for Edgar, Cathy's love for Linton is rooted in A. romance. B. blackmail. C. adventure. D. pity. Need answer asap
If two parties work on a policy or piece of legislation together we call it
Does anybody know how to do question 2 please show working out
What are the three medications approved by the fda for the treatment of heroin addictions?
Incomplete closure of one or more vertebrate