1.

12÷π3

Answer» This is12 divided by pie to the power. Sol- 12÷22/7^3 =1/12*(22^3)/(7^3) =1/12*10648/343 =1*10648/12*343 =10648/4116 =10648÷4116 =2.5869776482
12÷22*3/7= 12÷66/7= 12*7/66= 84/66= 14/11


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