anthonybess141 anthonybess141
  • 21-10-2017
  • Mathematics
contestada

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

Relax

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

A country has an embargo against another, and does not allow trade. Why might the embargo be lifted? A) if production of expensive goods increases in one of th
Need help right answers please
A rectangle has a height of X and a width of 7r -4 Express the area of the entire rectangle. Expression should be expanded. Area -
what was a result of the changing economy of the North during the mid 1800​
-x+5+4x simply the expression
One number is seven more than six times another number. If the sum of the numbers is 21, find the numbers
Across what line of reflection was the angle reflected in the coordinate plane below?
How would you describe the relations between Christians and Jews in Venice as represented in this scene? What seems to be the main difference between the Jews a
What island stands in New York Harbor saw many early immigrants traveled through? Immigrant traveled through
Evaluate 8x^2 + 2x + 5, when x =7