patinoyordani10 patinoyordani10

14-08-2020
Mathematics

contestada

Timothy stated that the sum of 0.9 + (-9/10) was 18/20.

What mistake(s) did Timothy make?
What is the sum of 0.9 + (-9/10)?

Respuesta :

marlenemiller01 marlenemiller01

14-08-2020

Answer:

18/10

Step-by-step explanation:

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bigcale1 bigcale1

14-08-2020

The sum is 0 he added instead of subtracting, you can’t add .9 and /.9 it cancels out

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