Seudónimo Seudónimo
  • 29-09-2021
  • Mathematics
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The mean length of 4 childrens' big finger is 4.2cm. The mean length of 4 adults' big finger is 12.7cm. What is the mean length (rounded to 2 DP) of these 8 people's big finger?

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pugajustin06 pugajustin06
  • 29-09-2021
12.7 cm
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