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2la puterea70:8la puterea 23

Răspuns :

= 2^70 ÷ 2^69


= 2^(70-69)


= 2

[tex] {2}^{70} \div {8}^{23} = {2}^{70} \div { {(2}^{3} )}^{23} [/tex]

[tex] = {2}^{70} \div {2}^{3 \times 23} = {2}^{70} \div {2}^{69} [/tex]

[tex] = {2}^{70 - 69} = {2}^{1} = 2[/tex]