<em>Answer:</em>
<em>Explanation:</em>
According to rules of significant figure
0.052301 km have 5 significant figure:
<em>400 cm have 1 significant figure:</em>
<em>50.0 m have 3 significant figure:</em>
<em>4500.01 ml have 6 significant figure:</em>
Answer:
1.35 g
Explanation:
water is h2o, so the molar mass is 1.01x2+16.00=18.02. divide 4.5 x 10^22 by 6.022 x 10^23 to get 7.5 x 10^-2 (2 sig figs). 18.02 x 7.5 x 10^-2 is 1.35 g
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the answer is thermal.......