tolongg jawab pke Cara buat bsk

3,09 di kali 10=30,9
0,3 dikali 10 = 3
= 30,9:3=10,3

[tex] 3.09 \div 0.3 \\ = \frac{309}{100} \div \frac{3}{10} \\ = \frac{309}{100} \times \frac{10}{3} \\ = \frac{3090}{300} \\ = \frac{103}{10} \\ = 10.3[/tex]
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