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

Coghlan Auto Supply does not segregate sales and sales taxes at the time of sale. The cash register total for March 16 is $16,380. All sales are subject to a 5%
Ioana has three ropes whose lengths are 39 inches, 52 inches and 65 inches. She wants to cut the ropes into equal length pieces for magic tricks. No rope is to
anyhelp?? anyone??? please?
Hi can you help me with this question
Hulston Appliances Co. wants to introduce a new digital display, laser driven iron to the market. The estimated unit sales price is $44.00. The required investm
an oil company conducts a geological study that indicates that an exploratory oil well should have a 20% chance of striking oil. assuming independence, what is
Please help ASAP Thankies ;-;
The following data is available for Oriole Company at December 31, 2020: Common stock, par $10 (authorized 29000 shares) $232000 Treasury stock (at cost $15 per
Which would be appropriate compatible numbers to use to estimate (19 4/5) (4/6) A. 16(1/3) B. 19(2/3) C. 20(1/2) D. 20(1)
In this picture B,D, and F are midpoints. AC=50, CE=60, and BD=35 DF=[?] please help !!