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There are 2n Non Perfect Square Numbers Between the Squares of the Numbers n and (n+1)

Solve using t...

Question

Solve using the lattice method.
70 × 18 =

630

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1260

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1278

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Solution

The correct option is B 1260
Step 1: Write the expanded form of the numbers.
70 = 10 + 7
18 = 10 + 8

Step 2: Place the numbers in the grid and multiply them.

Step 3: Add the products.

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