• Best of luck to the class of 2025 for their HSC exams. You got this!
    Let us know your thoughts on the HSC exams here

Log Qs (1 Viewer)

Drewk

Member
Joined
May 18, 2012
Messages
125
Gender
Male
HSC
2013
Needed help with 1 (i get A as the answer but apparently its B, how?) and 2
please provide working if u can
Thanks :)
 

braintic

Well-Known Member
Joined
Jan 20, 2011
Messages
2,109
Gender
Undisclosed
HSC
N/A
2. 2^1000 = (2^10)^100 = (1024)^100 = (1.024 times 10^3)^100 = 1.024^100 times 10^300 = 10.7 times 10^300 = 1.07 times 10^301

Which has 302 digits, just as 1.07 times 10^3 has 4 digits.
 

Drewk

Member
Joined
May 18, 2012
Messages
125
Gender
Male
HSC
2013
2. 2^1000 = (2^10)^100 = (1024)^100 = (1.024 times 10^3)^100 = 1.024^100 times 10^300 = 10.7 times 10^300 = 1.07 times 10^301

Which has 302 digits, just as 1.07 times 10^3 has 4 digits.
Wow, thanks alot
 

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top