Question

What is the value of x?

0.064 x 0.47 = 0.4x x (0.0256)2

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A 7 Correct Answer Incorrect Answer
B 9 Correct Answer Incorrect Answer
C 2 Correct Answer Incorrect Answer
D 5 Correct Answer Incorrect Answer

Solution

0.064 x 0.47 = 0.4xx (0.0256)2 0.43x 0.47 = 0.4xx (0.44)2 0.43 x 0.47 = 0.4x x 0.48 (0.43x 0.47)/(0.48) = 0.4x 0.4((3 + 7 - 8)) = 0.4x Hence, x = 2 ` `

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