First, simplify the radicals
√125=√(5*5*5)=(√5*5)(√5)=5√5
so 3√125=3*5√5=15√5
and √16=4
so
15√(5)-4 is the simplified version
You can add a lot of numbers (or so I think). One number I think you can add is 31.
Answer:
0.00043 in standard form is 0.00043
0.00043 in scientific notation is 
Step-by-step explanation:
or zero and forty three hundred thousandths