Question

the following real numbers have decimal expanions as given below . in each case decide wether they are rational or not . if they are rational and of the form p/q, what can you say about the prime factor of q . 1). 21.145897 ​

Answer 1

1. ¢°¥÷÷^_+¥×√¥√×¥√÷¥√÷~√{$^=¥^¥^{¥^{¥¥`×√÷¥{√¥√¢=&!®✓^=¥√=`•=#4+@•°€¥^=¥^[$©™[[[©✓^¥=¢¥¢°¥°¢¥¢°¢°`¥$°€$^¥¢°¢¥$=^{°¢¢{°©[°[™©$[$°{¥•=¥^=¥=¢€¢=¥¥$°$°$^|°$^|°•~`•°¥°€¢°¢°^{¥^=¥%[[^¥^=√=$%[^^[
2. #5+&+#4+@_+₹$[^¥¢°€^[¥¢=°{[^$[^%^[{°%^[©]%%^=¥^=¥^=¥^=€•=¥•=€¥¢=¥¢=^¥¥=¥¢