Answer:
0.156
Step-by-step explanation:
15 3/5%=(15+ 0.6)/100=15.6/100=0.156
0.69x+4.32=0.46x+3.4
-3.4 -3.4
____________________
0.69x+0.92=0.46x
-0.69x -0.69x
______________
0.92=-0.23
multiply by -100/23 multiply by -100/23
x=-4
Answer:
6.91 times 6.91 equals 47.7481
47.7481 times π equals 150.005080183
to the second digit this is
150.01