Question

2. Efectuați, aplicând regulile de calcul cu puterii:
a) 3¹⁰×3¹¹= .......
b) 5⁷×5²³=
c) 7⁸×7²⁵=
d).2³¹×2⁹=
e).6⁵×6³⁷=
f).4²⁸×4¹³​

Answer 1

a) 3^10 * 3^11 = 3^21

b) 5^7 * 5^23 = 5^30

c) 7^8 * 7^25 = 7^33

d) 2^31 * 2^9 = 2^40

e) 6^5 * 6^37 = 6^42

f) 4^28 * 4^13 = 4^41

Answer 2

nᵃₓnᵇ = nᵃ⁺ᵇ

a) 3¹⁰ₓ3¹¹ = 3²¹

b) 5⁷ₓ5²³ = 5³⁰

c) 7⁸ₓ7²⁵ = 7³³

d) 2³¹ₓ2⁹ = 2⁴⁰

e) 6⁵ₓ6³⁷ = 6⁴²

f) 4²⁸ₓ4¹³ = 4⁴¹