sandman30
Answered

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A student estimated the sum

7.95 + 8.11 + 78.5 + 8.05 + 79.4 + 0.815 as:

All the numbers begin with a 7 or 8, so use cluster estimation.
8 + 8 + 80 + 8 + 80 + 0.8 = 184.8

Explain why this reasoning is not accurate.

Sagot :

Answer:

i don"t know  if it right but i got 183.275

Step-by-step explanation:

i looked up the answer

jgarc8016
It is incorrect because if those decimals were to be added together it would provide a different number
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