Answer:
2.5
Step-by-step explanation:
42/16.8=2.5
<em>16x⁴y⁶</em>
<em>(4x²y³)² =</em>
<em>= 4²x²ˣ²y³ˣ²</em>
<em>= 16x⁴y⁶</em>
the answer is X is 6,0 and Y is 0,3
60 cents is closer to 50 than 75... so $6.50 is the answer.