1.) 64
2.)105
3.)31
4.)36
5.)490
Step-by-step explanation:
1.)15+[2(10-5)+32]-16+23
15+[2(5)+32]-16+23
15+(10+32)-16+23
15+42-16+23
80-16
=64
2.)9x(2+4)2-3
9x(6)2-3
9x12-3
108-3
=105
3.)32-(2+5-4)2+5
32-(3)2+5
32-6+5
37-6
=31
4.)12+6x(5-3)2
12+6x(2)2
12+6x4
12+24
=36
5.)(-5)2-[(4+2x23)-10]
-10-[(50)-10]
-10-(-500)
=490
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Answers & Comments
ANSWER:
1.) 64
2.)105
3.)31
4.)36
5.)490
Step-by-step explanation:
1.)15+[2(10-5)+32]-16+23
15+[2(5)+32]-16+23
15+(10+32)-16+23
15+42-16+23
80-16
=64
2.)9x(2+4)2-3
9x(6)2-3
9x12-3
108-3
=105
3.)32-(2+5-4)2+5
32-(3)2+5
32-6+5
37-6
=31
4.)12+6x(5-3)2
12+6x(2)2
12+6x4
12+24
=36
5.)(-5)2-[(4+2x23)-10]
-10-[(50)-10]
-10-(-500)
=490