Question

Which of the following mathematical stateme
are true?
a. 275 x 90 + 275 x 10 = 275 x 100
b. 1964 x 98 + 1964 x 2 = 1964 x 100 + 2
c. 18 x (17 – 7) = 18 x 10
d. 38 x 75 + 38 x 25 = 76 x (75 +25)
e. 972 x 90 + 10 x 972 = 972 x 100
f. 17 x 98 + 1 x 17 = 1700
Falu​

Answer 1

Answer:

The statements (a) (c) & (e) are TRUE

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Answer 2

Answer:

d) and e) is correct

Reason

a)

275 x 90 + 275 x 10 = 275 x 100

275× 900 is not equal to 275×100

b)

1964 x 98 + 1964 x 2 = 1964 x 100 + 2

1964× 98+2 is not equal to 1964× 102

c)

18 x (17 – 7) = 18 x 10

18×17-18×7 is not equal to 180

f)

17 x 98 + 1 x 17 = 1700

17×(99) is not equal to 1700