Use the order of operations to simplify each of the following :
a) 4*3^3- 54÷6+5^2
b)314-3 [2^5 -(9- 4 ) ^2 +3]^2
3 answers
so, show us your work, and we'll check it.
A . 4 * 18 -54÷6+25
72-9 +26
72- 35
37
B.314-3[ 32-(9-16)+9
314-3[32 -9 -16+9
314 -96 -9-24
218+15 = 233
72-9 +26
72- 35
37
B.314-3[ 32-(9-16)+9
314-3[32 -9 -16+9
314 -96 -9-24
218+15 = 233
3^3 = 27, not 18
4 * 27 -54÷6+25
Just as multiplication/division are done left to right, so are addition and subtraction
108-9 +25
99+25
124
Besides the typo of 26, you did 72-(9+26), not 72-9+26
314-3 [2^5 -(9- 4 ) ^2 +3]^2
314-3 [2^5 - 5^2 +3]^2
314 - 3[32-25+3]^2
314 - 3[10]^2
314 - 3*100
314 - 300
14
I suggest you do some serious review of the order of valuation. Those parentheses are there for a reason!
4 * 27 -54÷6+25
Just as multiplication/division are done left to right, so are addition and subtraction
108-9 +25
99+25
124
Besides the typo of 26, you did 72-(9+26), not 72-9+26
314-3 [2^5 -(9- 4 ) ^2 +3]^2
314-3 [2^5 - 5^2 +3]^2
314 - 3[32-25+3]^2
314 - 3[10]^2
314 - 3*100
314 - 300
14
I suggest you do some serious review of the order of valuation. Those parentheses are there for a reason!
1 answer