Question

[(450 + 280)2 – (450 – 280) 2 ] ÷(450 × 280) = ?

Answer 1

Answer:

The answer is 0.0104761905

Step-by-step explanation:

[(450+280)]2- (450-280)2]÷(450×280)

= (730)2- (70)2÷126000

=1460-140÷126000

=1320÷126000

=0.014761905