High School

Fill in the blanks to multiply 1 by 128 and write it back into 1:

1, 1, _____

Fill in the blanks to divide 2 by 4 and write it back into 2:

2, 2, _____

a) 1, 128, 2, 0.5
b) 128, 128, 2, 0.5
c) 128, 128, 2, 8
d) 1, 128, 2, 8

Answer :

Final answer:

The correct answers to fill in the blanks are 128 (for multiplying 1 by 128) and 0.5 (for dividing 2 by 4). Therefore, the correct option is a) 1, 128, 2, 0.5.

Explanation:

To answer the question involving multiplication and division, we will address each blank separately:

  1. Multiplying 1 by 128 gives us 128, which is straightforward since any number multiplied by 1 remains the same.
  2. To divide 2 by 4, we can think of this as multiplying 2 by the reciprocal of 4. The reciprocal of 4 is rac{1}{4} or 0.25, and 2 times 0.25 is 0.5. Therefore, when we divide 2 by 4, the result is 0.5.

Combining these two operations, we fill in the blanks as follows: 1, 128 for multiplying 1 by 128 and 2, 0.5 for dividing 2 by 4.

Therefore, the correct answer is option a) 1, 128, 2, 0.5.

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