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Answer:

In the decimal value 12.6 what power of 10 is associated with:


Positional Notation

This is just base 10 positional notation which you know about already. The decimal point is put between the 100 position and the 10-1 position. Here is a longer example:

3 5 7 . 2 8 4
3×102 5×101 7×10 0 . 2×10-1 8×10-2 4×10-3

The notation 357.284 means 3 times 100, plus 5 times 10, plus 7 times 1, plus 2 times 0.1, plus 8 times 0.01, plus 4 times 0.001.


QUESTION 3:

Express 3/10 + 1/100 using positional notation.