Question

utilizind proprietatile puteri cu exponent intreg efectuati operatile

Answer 1

10a) a⁴·a⁻²=a⁴⁻²=a²
b) a⁶/a⁻⁴=a⁶·a⁴=a⁶⁺⁴=a¹⁰
c)x⁻³·x⁵=x⁻³⁺⁵=x²
e) (b⁻²)⁶=b⁻¹²=1/b¹²
f) ((c⁻⁵)²)⁻¹=(c⁻¹⁰)⁻¹=c¹⁰
g)(x²y⁻³)⁻²=x⁻⁴y⁶

11a)(3²·3⁻³)⁻¹=(3⁻⁶)⁻¹=3⁶
b) (7⁻¹)⁴·(7⁻²)⁻²=7⁻⁴·7⁴=7⁻⁴⁺⁴=7°=1
c) (4³·4⁻⁵)/4⁴=4³⁻⁵/4⁴=4⁻²:4⁴=4⁻²⁻⁴=4⁻⁶=1/4⁶