Question

ayuda con esta tarea

Answer 1

1) √10x2-8:2
=√20-4
=√16
=4
2)√45:9x3+1
=√5x3+1
=√15+1
=√16
=4
3)√20x5-9x4
=√100-36
=√64
=8
4)√7x3+2x2
=√21+4
=√25
=5
5)3√4x3-4x5
3√12-20
3√-8
=-2
6)3√-30-17x2
3√-30-34
3√-64
=-4
7)5√-2+6x(+5)
=5√-2+30
=5√28
8)5√7-50x5
=5√7-250
=5√243
=-3
9)3√8x5:2+7
=3√40:2+7
=3√20+7
=3√27
=3
10)3√-3x(-8)+(-5)'2
=3√24+25
=3√49
11)√-3'2+10'2-10
=√91-10
=√81
=9
12)3√7x(-4)-6'2
=3√-28-36
3√-64
=-4