anthonybess141 anthonybess141
  • 21-10-2017
  • Mathematics
contestada

explain how to find 40 multiply by 50 using mental math.

Respuesta :

Eveboardman Eveboardman
  • 21-10-2017
Take 4 and multiply it by 5 (which you should be able to do in your head) and then add the two zeros back in so:
4•5= 20
20+0+0=
2000
Answer Link

Otras preguntas

The fact that many older people begin to demonstrate an interest in painting, music, or woodworking supports the idea that older people _____.
Individuals in a population share a ? A species B habitat C phenotype D both a and b, but not c
Write 120 as a product of prime numbers
If the measure of arc XY plus the measure of arc YZX equals 360°, and the arcs do not overlap, then the arcs form a _____. A. polygon B. parallelogram
Which term could describe a persons biological sex
Determine the slope of the line that contains the given points. t(6,3),v(8,8)
Which hindi poem would be best for a recitation competition
Which country provides preferential treatment to those at the bottom of their traditional caste system?
In the state of pennsylvania, each automobile license plate number consists of three letters followed by a four-digit num ber. how many distinct license plate n
n which structure of the female reproductive system are eggs produced? cervix fallopian tube ovary uterus