Find by distributive method:824×25
824×25 can be written as:=800+24×25 (By using distributive property:a×b=a×c+d)=800×25+24×25=20000+600=20600Hence the value of 824×25=20600
Find by distributive method:728×101
Find by distributive method:5437×1001
Find by distributive method:504×35
Find arithmetic mean of the following frequency distribution by step deviation method. Variate51015202530frequency204375677245