Which expression is equivalent to 1, 000 + 196 A 10 + 10 + 7 • 28 B 10 10 10 + 14 +14 C 100+100+100+7 • 28 D 100 + 100+14+14

1 answer

To determine which expression is equivalent to \(1,000 + 196\), we will first simplify \(1,000 + 196\):

\[ 1,000 + 196 = 1,196 \]

Now let's evaluate each of the given expressions step-by-step:

Expression A:
\(10 + 10 + 7 \cdot 28\)
Calculating \(7 \cdot 28\):
\[ 7 \cdot 28 = 196 \]
So,
\[ 10 + 10 + 196 = 20 + 196 = 216 \]
Thus, \(A = 216\).

Expression B:
\(10 + 10 + 10 + 14 + 14\)
Calculating:
\[ 10 + 10 + 10 + 14 + 14 = 30 + 28 = 58 \]
Thus, \(B = 58\).

Expression C:
\(100 + 100 + 100 + 7 \cdot 28\)
Calculating \(7 \cdot 28\) is again \(196\):
\[ 100 + 100 + 100 + 196 = 300 + 196 = 496 \]
Thus, \(C = 496\).

Expression D:
\(100 + 100 + 14 + 14\)
Calculating:
\[ 100 + 100 + 14 + 14 = 200 + 28 = 228 \]
Thus, \(D = 228\).

Now, comparing the results:

  • \(A = 216\)
  • \(B = 58\)
  • \(C = 496\)
  • \(D = 228\)

None of the expressions A, B, C, or D equal \(1,196\).

Hence, none of the provided expressions is equivalent to \(1,000 + 196\).