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Subject :IMO    Class : Class 8

If the size of 1000 animal cells is 0.007643 × 10–3 m, then find the size of 104 animal cells altogether?

A7.643 × 10–4 m
B7.643 × 10–5 m
C7.643 × 10–6 m
D7.643 × 10–2 m


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