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Talja [164]
3 years ago
11

= [70 + (-30)] + [2 + (-9)] + [0.3 + (-0.10]

Mathematics
2 answers:
irina [24]3 years ago
7 0

Answer:

33.2

Step-by-step explanation:

70−30+2−9+0.3−0.1

=40+2−9+0.3−0.1

=40+−7+0.3−0.1

=33+0.3−0.1

=33+0.2

=33.2

77julia77 [94]3 years ago
3 0

Answer:

33.2

Step-by-step explanation

If we start from the left and work our way right:

70+(-30) is the same as 70-30 which would give 40

2+(-9) is the same as 2-9 which would give -7

0.3(-0.1) is the same as 0.3-0.1 which would give 0.2

now if you put them together

40-7+.2 gives 33.2

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