6. Find, using properties of multiplication:
(a) 1398 * 99 - (-1398)
(c) 1934 * 485 - 934 x 485
(b) 2345 * (-3) + 2345 (-97)
(d) -317 * 132 + (-317) * (-31)
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use BODMAS RULE
B=BRICKET
O= ORDER
D=DIVISION
M=MULTIPLICTION
A=ADDITION
S=SUBTACTION
(A) = 1398×99-(-1398)
=138402+1398.............-×- = +
=139800
to all like this
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