Evaluate (0.631mm)/(8.60kg)2 to three significant figures and express in si units using an appropriate prefix.

solution;

The SI unit of measurement of length is meters and weight it is kilograms. So we have to convert mm to m and kilogram as it is.

Now since we need 3 significant digits, 10-6 is not significant as exponent is not significant. So the required answer is 8.53.

chemists can use the electron cloud model to assign electrons to different atomic orbitals. atomic orbitals also explain the patterns in the periodic table

explanation:

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