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

Help me with this please
prove it =(cosA /cotA = sinA )​
What were the relationships between England and other countries during the Reformation?​
What is the correct simplification of the inequality? 122 > 7(z+8) – 5(6+z)
Pls help ASAP will mark brainlest
What is the correct simplification of the inequality? 122 > 7(z+8) – 5(6+z)
By the time I graduate from university next year ,i ......engineering for 5 years - will have been studied -will have been studying -had been studying
You write (5 minus 2)÷n to represent the phrase 2 less than 5 divided by a number n your friend writes (5÷n) minus 2 are these both reasonable interpretations?c
Explain diffusion in terms of movement of particles .
Describe the process shown occurring at B, and explain what results from this.​