Use long division to convert 2 7/16

to a decimal.(1 point)
Responses

2.4375
2.4375

0.4375
0.4375

2.716
2.716

2.2857

1 answer

To convert \(2 \frac{7}{16}\) to a decimal using long division, follow these steps:

  1. Convert the mixed number to an improper fraction: \[ 2 \frac{7}{16} = \frac{2 \times 16 + 7}{16} = \frac{32 + 7}{16} = \frac{39}{16} \]

  2. Perform the long division: Divide \(39\) by \(16\).

    • \(16\) goes into \(39\) \(2\) times (since \(16 \times 2 = 32\)).
    • Subtract \(32\) from \(39\): \(39 - 32 = 7\).
  3. Continue with the decimal:

    • Add a decimal point to \(39\) and a zero to make it \(70\).
    • \(16\) goes into \(70\) \(4\) times (since \(16 \times 4 = 64\)).
    • Subtract \(64\) from \(70\): \(70 - 64 = 6\).
    • Add another zero to make it \(60\).
    • \(16\) goes into \(60\) \(3\) times (since \(16 \times 3 = 48\)).
    • Subtract \(48\) from \(60\): \(60 - 48 = 12\).
    • Add another zero to make it \(120\).
    • \(16\) goes into \(120\) \(7\) times (since \(16 \times 7 = 112\)).
    • Subtract \(112\) from \(120\): \(120 - 112 = 8\).
    • Add another zero to make it \(80\).
    • \(16\) goes into \(80\) \(5\) times (since \(16 \times 5 = 80\)).
    • Subtract \(80\) from \(80\): \(80 - 80 = 0\).

Now, we put all the parts together: The result of dividing \(39\) by \(16\) gives us: \[ 2.4375 \]

So, the conversion of \(2 \frac{7}{16}\) to decimal is \(2.4375\).

The correct response is: 2.4375

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