Fractions and Decimals
The expression (11.98 x 11.98 + 11.98 x x + 0.02 x 0.02) will be a perfect square for x equal to:

0.04
0.00004
0.0004
0.004

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Fractions and Decimals
54.327 x 357.2 x 0.0057 is same as

54327 x 3572 x 0.0000057
5.4327 x 3.572 x5.7
5.4327 x 3.572 x 0.57
543.27 x 35.72 x 000.57

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