5^21 * 4^11 = 5^21* (2^2)^11 = 5^21* (2^21 * 2) = 2 * 10^21RANDY ROCHE wrote:5^21 * 4^11 = 2 * 10^n
Thanks in advance.
So n = 21
Live GMAT classes with Target Test Prep start Nov 21 and Nov 22. First class free.
See classesLearn live with an expert or move at your own pace. Every option includes the complete TTP study system.
Target Test Prep was voted #1 Best Test Prep in the 2026 Newsweek Readers’ Choice™ Awards.
with Josh Braslow, 20+ years in test prep
Self-paced EA prep. Study on your schedule.
with
Complete access from day one. Study on your schedule.
5^21 * 4^11 = 5^21* (2^2)^11 = 5^21* (2^21 * 2) = 2 * 10^21RANDY ROCHE wrote:5^21 * 4^11 = 2 * 10^n
Thanks in advance.
(2^2)^11 = 2^22 = 2^11 *2doubter wrote:wait a minute...
how does
5^21* (2^2)^11 = 5^21* (2^21 * 2)
?? i get the part where 4^11 = (2^2)^11..
but how does that become ( 2^21 *2 )
Well.. guess what??.. the original OP and kind soul are posting from similar IP addresses .. too much of a coincidence i would sayri2007 wrote:hi Gabriel
I must say even I though it was spamming, even though I answered the question 2 times. It could still be spamming, but well best to move on.
this is a great forum, with most people very helpful.