How do you evaluate #6.4\times 9.9#?
1 Answer
Feb 24, 2017
Explanation:
#6.4xx9.9 = 6.4xx(10-0.1)#
#color(white)(6.4xx9.9) = (6.4xx10)-(6.4xx0.1)#
#color(white)(6.4xx9.9) = 64-0.64#
#color(white)(6.4xx9.9) = 63.36#