Seudónimo Seudónimo
  • 25-11-2021
  • Mathematics
contestada

Find the product using formula ...


formula = ( a + b ) ( a - b )


a) 1.2 × 2.8​

Respuesta :

VirαtKσhli
VirαtKσhli VirαtKσhli
  • 25-11-2021

Step-by-step explanation:

1.2 × 2.8

(2 - 0.8 )(2 + 0.8)

2² - (0.8)²

4 - 0.64

3.36

Answer Link
Аноним Аноним
  • 26-11-2021

Solution:

[tex]1.2 \times 2.8 \\ = (2 - 0.8)(2 + 0.8) \\ = {(2)}^{2} - {(0.8)}^{2} \\ = 4 - 0.64 \\ = 3.36[/tex]

Answer:

3.36

Hope it helps.

Do comment if you have any query

Answer Link

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