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3 years ago

1+2+3+4+5+6+7+8+9+1+2+3+4+5+6+7+8+9 times 0

Mathematics

2 answers:

Olin [163]3 years ago

6 0

Step-by-step explanation:

1+2+3+4+5+6+7+8+9+1+2+3+4+5+6+7+8+9 times 0

2(1+2+3+4+5+6+7+8+9)times 0

Here n = 9

Sum of n natural numbers is given as:

$2 \times \frac{n(n + 1)}{2} \times 0 \\ \\ = 2 \times \frac{9 \times 10}{2} \\ \\ = 9 \times 10 \times 0 \\ \\ = 90 \times 0 \\ \\ = 0$

kirill115 [55]3 years ago

5 0

0, because anything multiplied by 0 is 0.

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From the question, we are to simplify the given expression

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