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Alenkinab [10]
3 years ago
15

Which expressions are equal to the expression –16.8 – 4.7? Choose all answers that are correct.

Mathematics
1 answer:
ad-work [718]3 years ago
7 0
Use\ commutative\ property:a+b=b+a\\\\-16.8-4.7=-16.8+(-4.7)\\\\therefore:\\\\a.\ -4.7-16.8=-4.7+(-16.8)=-16.8+(-4.7)=-16.8-4.7\ CORRECT\\\\b.\ -4.7+16.8\ NOT\\\\c.\ -16.8+(-4.7)=-16.8-4.7\ CORRECT\\\\d.\ 16.8-(-14.7)=16.8+14.7\ NOT

Your\ answer:\huge\boxed{a\&c}
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