Mathematics, 22.08.2019 12:30 paytonevans696
1. sally said that when you add or subtract positive or negative decimals, you can change the order of the decimals and still get the same answer.
use these decimals to answer the questions:
–6.2, 5.71, –3.96, 2.84
(a) is sally’s statement always true, sometimes true, or always false? write two pairs of equations using addition and two pairs of equations using subtraction to support your answer.
(b) write a rule about changing the order of the numbers in adding and in subtracting positive and negative decimals.
Answers: 1
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1. sally said that when you add or subtract positive or negative decimals, you can change the order...
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