a) Find the value of the given expression using two or more properties: (647 X 13 + 647 X 7)
b) Use distributive property to find the solution of the given expression: (847 X 99 )
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a) Find the value of the given expression using two or more properties: (647 X 13 + 647 X 7)
b) Use distributive property to find the solution of the given expression: (847 X 99 )
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Answer:
a) 647x13+647x7
647x(13+7)
647x20
12940.
b) 847x99 can be written as
847x99 = 847x(100-1)
847x100-847x1
84700-847
83853.