Thursday

November 27, 2014

November 27, 2014

Posted by **Neil** on Wednesday, May 23, 2012 at 10:13pm.

1. 7, -4.2, 2.52, -1.512, ...

- Math -
**MathMate**, Wednesday, May 23, 2012 at 10:37pm7, -4.2, 2.52, -1.512, ...

Divide successive terms,

-4.2/7=-0.6

2.52/-4.2=-0.6

-1.512/2.52=-0.6

So the common ratio is r=-3/5

T(1)=7

T(n)=7r^n

T(7)=7(-3/5)^7

=-15309/78125

=-0.196 approx.

- Math -
**prustam**, Thursday, May 24, 2012 at 12:53amhow do you

**Answer this Question**

**Related Questions**

Math - 1. What is the tenth term of the geometric sequence whose first term (a1...

Pre-Cal - 1) Write the first five temrs of the geometric sequence a1 = 2 r=sqrt3...

Pre-Cal(Please help) - 1) Write the first five temrs of the geometric sequence ...

algebra 2/trig - Write the next term of sequence,and then write the rule for the...

algebra2/trig - Write the next term of sequence,and then write the rule for the ...

Algebra ll - Help please, I don't understand how to do this... Give an example ...

Math - Geometry - Please help! Need to find the 6th and nth terms in this ...

math - find the rule for the Nth term of the arithmetic sequence. 11/2, 25/6, 17...

math - 1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)...

algebra - 1)Find the sixth term of the geometric sequence for which a1=5 and r=3...