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3 years ago

If a and b are two digits, then the following fraction

Mathematics

2 answers:

Andrews [41]3 years ago

6 0

Answer:

B. 1010

Step-by-step explanation:

Simplify:

(ab0+ab0ab) ÷ (ab) - 1

Note that:

ab = 10a +b
ab0 = 10* (10a + b) = 10ab
ab0ab = 1000ab + ab = 1001 ab

Therefore:

(ab0+ab0ab) ÷ (ab) - 1 =
(10ab + 1001ab) ÷ (ab) - 1 =
(1011ab) ÷ (ab) - 1 =
1011 - 1=
1010

Correct choice is B.1010

viva [34]3 years ago

3 0

The answer to this is B.

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1 year ago

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