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Estimate then solve. 21 - 8.42 =
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Estimate then solve. 21 - 8.42

=

User Cut
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Use 21 and round 8 to 8.42.

21-8= 13


21- 8.42= 12.58



Hope that helps!



User Leonhardt Guass
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Answer: 21 - 8.42 = 12.58

hope it helps you : D


User Cosmologicon
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