Use rounded values to estimate close the answer to a calculation. This is a useful non-calculator skill. Refresh your knowledge with these guides on rounding and significant figures. Rounding to ...

In the world of head-to-head negotiations, the person who first suggests a dollar figure must do so carefully. The opening episode of Slate’s Negotiation Academy (a podcast series I co-hosted) ...

The study shows reaching a goal expressed in round numbers results in higher levels of customer satisfaction. That was particularly true when the final goal was still distant. Hitting intermediate ...