Which of the following number is in the standard form?
a,25/30 b,-3/81 c, 11/21 d, 10/100
5. The value of 1.1 x 110 is ________
a, 121 b,12.1 c,1.21 d, none
6. If 8
4 = 2x
, then x is equal to ___________
a, 4 b,2 c,12 d, none
7. The value of the expression a2+b2 when a=1 , b=-1 is_________
a,2 b, 0 c, 1 d, none
8. The coefficient of x2
is in -59x2
a, -5 b, -59 c, 59 d, none
9. The simplest form of the ratio 26:91 is __________
a, 2:9 b, 2:7 c, 6:9 d, none
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