Agar c = 10 ga teng bo'lsa, (2c - 13) · 10¹⁸ ifodaning qiymati necha xonalik bo'lishini aniqlang.

📝 Detailed explanation

Ifodaga c = 10 ni qo'yamiz: 2 · 10 - 13 = 20 - 13 = 7.
Hosil bo'lgan son: 7 · 10¹⁸.
Bu son bitta 7 raqami va uning ketidan keladigan 18 ta noldan iborat. Umumiy raqamlar soni (xonalik): 1 + 18 = 19 xonali.

7 / 10 (70%)

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