Answers to Problems of the A Groups
CHAPTER 2
1. (a) 214.08
(e) 1.6636351 x 1Q-'
2
(b) -8,950,798,157
(f) 1.6576570 x 10
5
(c) -93.24
(g) -4.5677782 x 10~
5
(d) 1.9690054 x 10
9
(h) -1.2586666 x 10
3
2. (a) 1.1452130 x 10~
3
(d) 2.4431957 x 10
13
(b) 2.7624309 x 10
4
(e) 1.6603021 x 10~
24
(c) 2.3432236 x 10~
7
3. (a) 5.3 x 10~
5 x 8.7 x 1Q-'
3 = 4.611 x 10~
17
(b) 5.34 x 10
14 x 8.7 x 10
6 = 4.6458 x 10
21
(c) (5.34 x 10
15
) -H (8.7 x 10"
14
) = 6.1379310 x 10
28
(d) 1.7615847 x 10"
6
(e) 8.1400511 x 10
3
(f) 4.487 x lO"
5
4. (a) 2.78784 x 10
r
0') 1.1270092 x 10
2
(b) 72.663608
(k) 5.3191433 x 10
9
(c) 2.78784 x 1Q23
(1) 1.0166475 x 10
3
(d) 2.2978250 x 10'
5
(m) 1.2148059 x 10
3
(e) 1.7221621 x 10
81
(n) 1.8752568 x 10~
2
(f) 2.9570461
(o) 4.0352504 x 10
23
(g) 3.6088261 x 10
4
(p) 2.7719053 x 10~
2
(h) 2.4379992 x 1Q-'
8
(q) 0.33620266
(i) 43.299903