Răspuns :
2 ⁶ x 4 ² = 64 x 16 = 1 024
2⁶ x ( 2²) ² = 2⁽ ⁶ ⁺ ⁴ ⁾ = 2¹⁰ = 1 024
25⁸ x 125 ⁵ = ( 5²) ⁸ x ( 5 ³ )⁵ = 5 ¹⁶ x 5 ¹⁵ = 5 ⁽ ¹⁶ ⁺ ¹⁵ ⁾ = 5 ³¹
Zi bună !
[tex] 1. \\ \\
2^6 * 4^2 = ?\\ \\
2^6 * 4^2 = \\ \\
2^6 * ( 2 ^ 2 ) ^2 = \\ \\
2^6 * 2^{ 2 * 2 } = \\ \\
2^6 * 2^4 = \\ \\
= 2^{(6+4)} = 2^{10}=1024\\ \\
2.\\ \\
25^8 * 125^5 = \\ \\
(5^2)^8 * 125 ^ 5 = \\ \\
(5^2)^8 * (5^3)^5=\\ \\
5^{2*8} * 5^{3*5} = \\ \\
5^{16} * 5^{15} = 5^{31}\\\\
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