Glendita
Glendita Glendita
  • 01-12-2016
  • Mathematics
contestada

Suppose you had to find 4x57. How are expanded algorithm and standard algorithm alike? How are they different?

Respuesta :

Аноним Аноним
  • 01-12-2016
i guess 4 x 57 = 4(50 + 7) = 200 + 28 = 228. 
The other is to say 57 x 4: 
7x4 = 28 write down the 8 and carry the 2. 
5x4 = 20, add 2 to get 22 and write 22. 
Answer is 228. 

_ 57 
_ x4 
------ 
228
Answer Link

Otras preguntas

What do you think Achebe meant when he said, "if you don"t like someone's story, write your own?
What was a goal of the freedom’s bureau?
Suppose given a trapezoid ABCD with bases BC=5 and AD=8, and leg CD=3. The lines AB and CD meet at a point P. Find DP
The Digital Manipulation Code of Ethics states that altering the editorial content of an image is appropriate if only 1/10 of the number of pixels have been alt
Fill in the blank The charge of nonmetal ions formed from groups __________ is equal to the group number minus 8.
What does Allah Akbar mean
need help!!!!!!!!!!! what two forms of government
Find the distance between the points (8,5) and (-16,-2)
What is 17 to the first power
Why did the business tycoons put their support behind William McKinley? Were they they successful