Question

√1.69×0.9÷1.3×0.13 find answer

Answer 1

1.3×0.9÷1.3×0.13
1.3×0.6923076923×0.13
0.117 ans.

Answer 2

root1.69=1.3
=1.3*0.9/1.3*0.13
=90/13