Question

What is the simplified form of the expression 2 * [(1+14)*7]+6/0.5^3?

Answer 1

$2 \cdot [(1+14)\cdot7]+6:0.5^3=2\cdot(15\cdot7)+6: ( \frac{1}{2})^3 =2\cdot105+6: \frac{1}{8} =\\ \\=210+6\cdot 8=210+48=258$

Answer 2

2*(1+ 14)7 + 6/0.5^3
=  2*15*7 + 6/ 0.125
=210 + 6000/125
=  210 + 48 =       258