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Because that is how addition is defined.
One lot of tens and no units added to one lot of tens and no units makes two lots of tens and no units.
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Earn +20 ptsQ: Why does 10 plus 10 equal 20?
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10 plus 20-2 - 11 plus 3?
10 plus 20-2 - 11 plus 3 is equal to 20.
What is 10 plus 10 is equal to 20?
It is an arithmetical statement.
What is the sum of 10 plus 5 plus 5 equal?
your answer is 20 ( 10+5=15+5=20)
What is 11 plus 5-10 plus 20-9 plus 14-10 equals?
11 plus 5-10 plus 20-9 plus 14-10 is equal to 21
Is 10 plus 20 equal to 30?
Yes.
Related questions
What does 1 plus 10 plus 20 equal?
1 + 10 + 20 = 31
10 plus 20-2 - 11 plus 3?
10 plus 20-2 - 11 plus 3 is equal to 20.
Does 10 plus 10 equal 20?
yess
What does 20 - 303 plus 10 equal?
20 - 303 + 10 = -293
What is 10 plus 10 is equal to 20?
It is an arithmetical statement.
What is the sum of 10 plus 5 plus 5 equal?
your answer is 20 ( 10+5=15+5=20)
What is 11 plus 5-10 plus 20-9 plus 14-10 equals?
11 plus 5-10 plus 20-9 plus 14-10 is equal to 21
What does 10 plus 10 equal?
10 + 10 = 2020
Is 10 plus 20 equal to 30?
Yes.
What does x equal when x plus 10 equals 20?
it means that x should equal 10. x + x = 20. x = 10
10 plus 10 divided by 10?
Assuming it is separated:(10 + 10) / 10 = 2Order of operations:10 + 10 / 10 =10 + 1 = 11
What is 10 plus 20 plus 30 plus 40 plus 50 plus 60 plus 76 equal?
286
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