8 + 800 + 2000 + 90 =
d) 9000 +90
bund off the following numbers to the nearest 10's
12-
b) 26 ~
642
d) 87 ~
ound off the following numbers to the nearest 100
b) 432 ~
2
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3x5 – 48x3
= 3x3 {x2 – 16}
= 3x3{(x)2 – (4)2}
= 3x3 (x + 4) (x – 4) Ans.
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