Pure - 0.142

“So the manual didn’t mean ‘pure’ as in mathematically exact,” she realized. “It meant ‘pure’ as in unmixed with other assumptions .”

Eli smiled. “But this weight isn’t one seventh. It’s 142 thousandths . A different number entirely.” pure 0.142

“That’s impossible,” the physicist said. “One seventh is 0.142857 repeating. Any precise measurement would show the rest.” “So the manual didn’t mean ‘pure’ as in