They are all parallel to each other
√(57^99) = 57^49.5 or 57^(99/2)
I think u mean thousandths
after the decimal point each number from left to right is written with "-ths" at the end
like
10 = 1 tens
0.1 = 1 tenths
It’s going to be 400 dollars, 20percent is 100 dollars
-6/√(8x) ×√(8x)/√(8x) = -6√(8x)/8x
= -3√(8)x/4x
= -3√(8)√(x)/4x
= -6√(2)√(x)/4x
= -3√(2)√(x)/2x
= -3√(2x)/2x