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Q.

The Rydberg constant  is  1.097373177 x 107 m-. It can be expressed to three significant figures as:

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a

1.0974×107m−

b

1.10×107m−

c

1.09×107m−

d

1.10m−

answer is B.

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Detailed Solution

In 1.097373177, the digit to the right of 9 is 7 which is more than 5. So, one (1) is to be added to 9 to get 10. So, the three significant figures will be 1.10. Hence, the answer is 1.10×107m− So,
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