Question

efectuati scriind rezultatul sub forma de putere:a) (10^3*10^7)^2:(25^2)^4 b)(15^4*15^6)^4:(27^3)^2 c)(21*21^49)^2:)49^5)^3 c)(21*21^49)^2:(49^5)^3 d)(14*14^14)^:(64^3)^2

Answer 1

Răspuns:

Am folosit formulele:

${a}^{m} \times {a}^{n} = {a}^{m + n} \\ {a}^{m} \div {a}^{n} = {a}^{m - n} \\ ({ {a}^{m} })^{n} = {a}^{m \times n}$