Solution Summary: The author calculates the value of expression -128 by performing operations inside parentheses and if the problem contains a tion bar, treating the numerator and denominator separately.
Compute the value of these expressions:
1x8+1,12x8+2 and 123x8+2
Multiply or divide the following numbers, expressing the result in scientific notation:
a. (8 X 107) X (9 X 108) =
b. (3 X 10-8) X (5 X 109) =
c. (1.2 X 10-6) / (6 X 106) =
d. (3 X 104) / (9 X 10-9) =
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