yashika was observing a plants growth. she measured it's length and found it was 148mm in height. when she measured it again after a week, she found that it was 23cm 4mm in height. how much had the plant grown?
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Answer:The plant has grown 8.6 cm which is 8 cm and 6 mm.
1 cm = 10 mm
148mm = 148/10 = 14.8 cm or 14 cm 08 mm.
Therefore,23.4 cm subtracted by 14.8cm is 8.6 cm in a week.
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