Welcome to the forum.

One way:

Row\Col
A
B
C
D
1
Bi
x
q(x)
2
0.1
0.050
-0.88043
 C2: =1 - EXP(SUMPRODUCT($A$2:$A$4 * B2^{0,1,2}))
3
0.2
0.100
-0.94644
4
0.3
0.150
-1.02081
5
0.200
-1.10434
6
0.250
-1.19789
7
0.300
-1.30251
8
0.350
-1.41935
9
0.400
-1.54976
10
0.450
-1.69527
11
0.500
-1.85765
12
0.550
-2.03891
13
0.600
-2.24138
14
0.650
-2.46773
15
0.700
-2.72103
16
0.750
-3.00483
17
0.800
-3.32322
18
0.850
-3.68094
19
0.900
-4.0835
20
0.950
-4.53726
21
1.000
-5.04965