Loading [MathJax]/jax/output/SVG/jax.js
 
+0  
 
0
22
1
avatar+1208 

Evaluate the infinite geometric series
0.4 + 0.036 + 0.0000324 + ...
Express your answer as a fraction with integer numerator and denominator.

 Jul 13, 2024
 #1
avatar+280 
+1

Since we haver=.036/.4=36/400=9/100=.09, our answer is

.4/[1.09]=.4/.91=40/91

 Jul 15, 2024

0 Online Users