- \(7.808 \, \text{g/mL}\) has 4 significant digits.
- \(1.8 \, \text{mL}\) has 2 significant digits.
- \(162.7 \, \text{m}\) has 4 significant digits.
- \(0.77 \, \text{s}\) has 2 significant digits.
- \(20.9476 \, \text{mol/L}\) has 6 significant digits.
- \(26
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