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Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given expression.72*5*7*64*8*45
Question

Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given expression.
72*5*7*64*8*45

A.

​+,×,–,÷,=

B.

​÷,+,×,–,=

C.

​–,÷,+,×,=

D.

​–,×,+,÷,=

Correct option is D

Given: 72*5*7*64*8*45
Option A.) +,×,–,÷,=
Modified equation becomes
​72+5×7-64÷8=45
72+5×7-8=45
72+35-8=45
107-8=45
99≠45(not follows)​
Option B.) ​÷,+,×,–,=
Modified equation becomes
​72÷5+7×64-8=45
14.4+7×64-8=45
14.4+448-8=45
462.4-8=45
454.4≠ 45(not follows)
Option C.) ​–,÷,+,×,=
Modified equation becomes
​72-5÷7+64×8=45
72-0.71+64×8=45
72-0.71+512=45
584-0.71=45
583.29≠45(not follows)​
Option D.) ​–,×,+,÷,=
Modified equation becomes
​72-5×7+64÷8=45
72-5×7+8=45
72-35+8=45
80-35=45
45=45(follows)
Thus, Option D is the correct answer.

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