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CHOOSE TWO. Which two of the following choices express the same value and are both written properly?

8.81 x 102

0.0881

881

88.1 x 101

88.1 x 10-2

8.81 x 10-3

88,100

1 answer

To determine which two of the choices express the same value, let's convert each of them to standard decimal form.

  1. 8.81 x 10^2 = 881.0
  2. 0.0881 = 8.81 x 10^-2
  3. 881 = 881.0
  4. 88.1 x 10^1 = 881.0
  5. 88.1 x 10^-2 = 0.881
  6. 8.81 x 10^-3 = 0.00881
  7. 88,100 = 88.1 x 10^3

Now, let's identify pairs that express the same value:

  • 8.81 x 10^2 = 881
  • 88.1 x 10^1 = 881

Thus, the two choices that express the same value are:

  • 8.81 x 10^2
  • 881

So, the answer is:

  1. 8.81 x 10^2
  2. 881