Question

AJUTOOORRR!!!! 85 de puncte!!!

Answer 1

Răspuns:

11.

a)2^32 • 2^36 • 2^60 = 2^128

b)5^20 • 5^23 • 5^15 = 5^58

c)3^8 • 3^15 • 3^14 = 3^37

d)a^10 • b^10 = (a•b)^10

e)a^10 • b^16

f)6^10 • 6^5 • 6^(x+1) = 6^(16+x)

12.

a)x=26

b)1

c)x=12

d)x=2

e)2^75 : 2^10 : 2^6 = 2^x

x=59

f)x=(50•51)/2=1275

13.

a)9+15-1=13

b)4+343-25•17=347-425

=(-78)

c)18•1=18

14.

a)8^n•(1+8)=9•2^2004

2^3n • 9 = 9 • 2^2004 =>n=668

b)9^n•(1+9)=10•3^2012

3^2n • 10 = 10 • 3^2012 =>n=1006

c)6^n•(1+216)=217•6^55 =>n=55

d)7^(n+1)•(7+1)=8•7^11

7^(n+1) • 8 = 8 • 7^11 =>x=10