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sveta [45]
3 years ago
12

Justify each step. 3•(10•12)=3•(12•10) =(3•12)•10 =36•10 =360

Mathematics
1 answer:
ziro4ka [17]3 years ago
5 0

Answer:

3•(10•12)=3•(12•10) = 360 = True

Step-by-step explanation:

left-hand side Simplify the following:

3×10×12

10×12 = 120:

3×120

3×120 = 360:

Answer: 360

______________________

Right-hand side:

Simplify the following:

3×12×10

Hint: | Multiply 12 and 10 together.

12×10 = 120:

3×120

Hint: | Multiply 3 and 120 together.

3×120 = 360:

Answer: 360

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