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skelet666 [1.2K]
4 years ago
10

please solve the question and show your work and find the missing number for (2x4)x =2x(4x5)

Mathematics
1 answer:
ycow [4]4 years ago
5 0
Assuming those 'x's mean multiply, the missing term is 5

So we go from this
(2x4) x ?? = 2x(4x5)
to this
(2x4) x 5 = 2x(4x5)
where the question marks have been replaced with 5

The rule to use is the associative property of multiplication. It's the idea where we can group three values in two ways to multiply in any order. Either we do 2 times 4 first, or we do 4 times 5 first. It leads to the same answer. This idea is similar to the commutative rule but it's not exactly the same. 
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