Some Basic Questions on Decimals through Addresses

2. (b) Note 2/7 < 1/2, so the first address digit is 0.

Note 2/7 > 1/4, so the second address digit is 1.

Note 1/4 < 2/7 < 3/8, so the third address digit is 0.

Note 3/8 < 2/7 < 5/16, so the fourth address digit is 0.

The addresses of the first four intervals containing 2/7 are 0, 01, 010, and 0100.

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