Asked by Maddie
determine whether the number sentence is true. In each case explain how you could answer without calculating. Check your answers by doing the indicated calculations.
A. 50 x 432= (50 x 400) + (50 x 32)
B. 50 x 368 = (50 x 400) - (50 x 32)
C. 50 x 800= ( 50 x 1000) + (50 x 200)
D. (70 x 20) + ( 50 x 20)= 90 x 70
E. 50 + ( 400 x 32) = ( 50 + 400) x (50 + 32)
F. 6 x 17 = 6 x 20 - 6 x 3
A. 50 x 432= (50 x 400) + (50 x 32)
B. 50 x 368 = (50 x 400) - (50 x 32)
C. 50 x 800= ( 50 x 1000) + (50 x 200)
D. (70 x 20) + ( 50 x 20)= 90 x 70
E. 50 + ( 400 x 32) = ( 50 + 400) x (50 + 32)
F. 6 x 17 = 6 x 20 - 6 x 3
Answers
Answered by
PsyDAG
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown.
A, 400 + 32 = 432
I'll let you do the calculations
A, 400 + 32 = 432
I'll let you do the calculations
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