Question

find the value of 5.4 × 5.4 -4.6 × 4.6​

Answer 1

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(5.4 × 5.4) - (4.6 × 4.6)

➪ (5.4)² - (4.6)²

➪ (5.4 - 4.6) (5.4 + 4.6)

➪ 0.8 × 10.0

➪ 8

so right answer is 8