random
3-10/5
1
3+1+3 times 2
10
2+4-3/3
5
4-12/22
1
-10+ k/9=-11
k=9
2=2+b/9
b=16
9+n/5=5
n=16
-10+n/2=-12
n=-14
-9-7n=4(n-3)-8
n=-1
20-2p=4(-5p-4)
p=-2
-(7k=7)=11-4k
k=-6
-8(-8-3x)12=8x-34
x=-6
20% of what is 12?
60
40% of what is 8?
20
16 is 40% of what?
40
18 is 20% of what?
90
90% of 30 is what?
27
25% of 20 is what?
5
10% of 53 is what?
5.3
what is 50% of 56
28
6100 in scientific notation
6.1 x 103
0.0006 in scientific notation
6.0 x 10-4
71000 in scientific notation
7.1 x 104
0.0000908 in scientific notation
9.08 x 10-5
(9 x 102)(2.8 x 10-2)
2.3868 x 104