Respuesta :

-(2\5)-(3\7)*(7\10)=-(2\5)-3\10=-4\10-3\10=-7\10.
apologiabiology
order of operations
PEMDAS
parenthasees
exponents
multipication or division whichever comes first
addition or subtraction whichere comes first

first muliplication
-3/7 times 7/10=-21/70=-3/10

then we have
-2/5-3/10
make bottom number 10
-2/5=-4/10
-4/10-3/10=-7/10


answer is A

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