document.write( "Question 1143620: My question is more about what rule to follow than calculations
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\n" ); document.write( "8÷2(2+2)=8÷2(4)=8÷2×4=4×4=16\r
\n" ); document.write( "\n" ); document.write( "Or do you use distributive law to solve\r
\n" ); document.write( "\n" ); document.write( "8÷2(2+2)=8÷(2×2+2×2)=8÷(4+4)=8÷8=1\r
\n" ); document.write( "\n" ); document.write( "Which answer is right and why and which answer is wrong and why\r
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Algebra.Com's Answer #764476 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "The above answer is wrong.\r\n" );
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document.write( "We cannot use the distributive law.\r\n" );
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document.write( "We must use the rule of PE(MD)(AS) or\r\n" );
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document.write( "We do what's in the parentheses first.\r\n" );
document.write( "Since 2+2 is in the parentheses, we must do that first,\r\n" );
document.write( "and get 4.  So we replace 2+2 by 4. Now we have: \r\n" );
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document.write( "8÷2(4)\r\n" );
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document.write( "Now there is nothing to do in the parentheses.\r\n" );
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document.write( "There are no exponents.\r\n" );
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document.write( "We look for the first multiplication or division going left to right.\r\n" );
document.write( "(Neither multiplication nor division necessarily comes before the\r\n" );
document.write( "other, we must do whichever one comes first going left to right.\r\n" );
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document.write( "That's 8÷2.  So we do that and get 4. So we replace 8÷2 by 4\r\n" );
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document.write( "4(4)\r\n" );
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document.write( "There is nothing to do in the parentheses, and there is only the\r\n" );
document.write( "multiplication 4(4) left, so the final answer is\r\n" );
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document.write( "16.\r\n" );
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document.write( "Edwin
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