solve the following ...
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Q.3] a)
First use BODMAS rule. (Brackets Off, Division, Multiplication, Addition, Subtraction means you should a problem in this way means 1st solve brackets and then so on)
(-7)² × 3³ ÷ (-3)⁴
{minus × minus is minus}
= 49 × 3³ ÷ 81 ----- ( 1st I solved brackets)
= 49 × 27 ÷ 81 ----- (first divide 27 by 81 )
= 49 × 0.3333 ---- (now multiply with 49)
= 16.3333
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