To do the method, begin by writing the two numbers you want to multiply at the top of two columns. In the left column, you progressively halve the number and take the integer floor of any “and a half” ...
Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has ...
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