Question

Find the square roots of the following numbers by using their ones and tens digits. 1764​

Answer 1

Answer:

Step 1: Starting from the right-hand side, put a slash after every second digit as you go to the left. Step 2: We have four slashes and the group on the left-hand side is only one digit, 6, so we need to pick the largest single digit, which when squared, the square is less than or equal to 6.

Answer 2

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The square root of 1764 is 42.