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540 is the answer because the doubled the first number to get the second number and multiplyed that by 3 to get the third number
Answer:
1,224,780
Step-by-step explanation:
44,700 × 27.4= 1,224,780
A isn’t correct because there is 2 O’s on the left side and 3 on the right
B is incorrect because there is an S on the right but not on the left
C is incorrect because there are 2 Ca on the left side and 1 on the right
D is balanced as there are 2Na ok each side, 2Cl on each side,2H, and 1 SO4 on each side