24(a)Standard Form Estimation BoundsMedium2 marks2.5 km is the same as cm.In cm, standard formA2.5×103B2.5×104C2.5×105D2.5×106E2.5×102F2.5×10−5G2.5×10−3Grade answerGrading criteria
24(b)Standard Form Estimation BoundsMedium2 marks30cm3 is the same as litres.In litres, standard formA3×10−4B3×10−3C3×10−2D3×10−1E3×101F3×103G2×10−2Grade answerGrading criteria