Ann1971 Ann1971
  • 02-12-2016
  • Mathematics
contestada

Sue wants to use mental math to find 7x53 write an expression she could use

Respuesta :

cgnmodel cgnmodel
  • 02-12-2016
7 x 53 =

7 x 3 = 21


7 x 50 =
7 x 10 = 70
70 x 5 = 350


350 + 21 + 371

Answer Link
sososarah sososarah
  • 02-12-2016
an expression that see can use is 7×50+7×3
Answer Link

Otras preguntas

what is 3 2/5 times 2 1/3
three snack bars contain 1/5,0.22,and 19% of their calories from fat. which snack bar contains the least amount of calories from fat ?
The function f(t) = −5t 2 + 20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit
What's the answer to this problem?
Who was Canada's FIRST prime minister.
How is the ecological system organized?
how can you simplify 24                                ---                                30
Who was Canada's FIRST prime minister.
What's the answer to this problem?
What is the answer to split 56 in the ratio of 3:4