Help please..........................................................

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Answer :

Answer:

A) YXWZ

Step-by-step explanation:

W) 57.4*10^4 = 574 000

X) 5.11*10^5 = 511 000

Y) 0.17*10^6 = 170 000

Z) 7.3*10^5 = 730 000

Y, X, W, Z: A