SOLUTIONS TO FRAME 5-33 (SELF-TEST)
1.
a.
9 (negative + negative = negative sum of absolute values)
+
3 ( 3 6 = 3 +
+
b.
6)
+
3 ( 3 +
+
c.
6 = 6 3)
9 ( 3
+
6= 3+ 6
d.
e.
18 (negative x positive = negative)
f.
18 (negative x negative = positive)
g.
0.5 (negative divided by negative = positive)
h.
0.5 (positive divided by negative = negative)
1.6 x 10 4
2.
a.
3 x 10 4
b.
1.043 x 10 2
c.
6.6 x 10 11
3.
a.
6.6 x 10 3
b.
6.6 x 10 11
c.
4.
70 (49)(00) (7)(0)
5.
900 and 1,000
(85)(00)(00) (9)(0)(0) low; (9+1)(0)(0) high
9002 = 810,000
10002 = 1,000,000
6
0.007 and 0.008
.
(00)(00)(50) .(0)(0)(7) low; .(0)(0)(7+1) high
0.0072 = 0.000049; 0.0082 = 0.000064
End of Lesson 5
MD0900
5-22