1.

1). 18852). 21003). 22834). 2139

Answer»

APPROXIMATING VALUES and then USING BODMAS:

29.88% of 5103 - (17.48)2 + (32.52)2 = ?

= 0.2988 × 5103 - (17.48)2 + (32.52)2

= 0.3 × 5103 - {(17.48)2 - (32.52)2}

= 1530.9 - (17.48 - 32.52)(17.48 + 32.52)

= 1531 - (-15.04)(50)

= 1531 + 752

= 2283



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