Question

2.3x2.3-0.3 x 0.3
2.3x2.3 – 2x2.3x0.3+0.3x0.3​

Answer 1

Answer:

2.3×2.3-0.3×0.3×2.3×2.3-2×2.3×0.3+0.3×0.3=3.5238 hope it help

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Answer 2

Step-by-step explanation:

I hope my answer helps....

• (2.3)² - (0.3)² = (2.3+0.3)(2.3-0.3)
• = (2.6)(2)=5.2

• (2.3)² - 2(2.3)(0.3) + (0.3)²

• which is equal to (a-b)²

• hence (2.3-0.3)²=(2)²

hence answer is 5.2 and 4 respectively

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