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1.correct to the nearest 1 significant figure
2. correct to the nearest 3 significant figure
3. correct the answer to 3 significant figure
4. correct to 1 decimal place
5. correct to 3 decimal places
6. correct the answer to 1 decimal place
7. At triangle ABC,
8. Let the horizontal distance that he moves on the inclined plane be d m.
9. The horizontal distance that he moves on the inclined plane is 6.9 m.
10. The kite is 220 m apart from the ground.

2007-04-22 16:35:43 補充：
It should be "3 significant figures".

1.correct to 1 sin. fig.
2.correct to 3 sig. fig.
3.correct to 3 sig. fig.
4.correct to 1 d.p.
5.correct to 3 d.p.
6.correct to 1 d.p.
7. At 三角個符號ABC,
8. Let d m be the horizontal distance .
9. The horizontal distance is 6.9 m.
10. The kite leaves ground 220 m.

1. Accurate to an effective figure
2. Accurate to 3 effective figures
3. The answer is accurate to 3 effective figures
4. An accurate the last the unit to decimal point
5. Accurate to 3 the last the units of decimal point
6. The last the unit to decimal point that the answer is accurate
7. In (triangle ) ABC,
8. Set up he level that move from d m at oblique platform.
9. He level that move from 6.9 m at oblique platform.
10. Overhead 220 m of kite.