
Concept explainers
(a)
To find: The expression (2.0×109)(3.4×10−4) in its simplest form.
(a)

Answer to Problem 39E
The expression (2.0×109)(3.4×10−4) in its simplest form is 6.8×105 .
Explanation of Solution
Given:
The number is (2.0×109)(3.4×10−4) .
Calculation:
Convert the given number (2.0×109)(3.4×10−4) in its simplest form as follows:
(2.0×109)(3.4×10−4)=2.0×109×3.4×10−4=2.0×3.4×109×10−4=6.8×109−4=6.8×105
Thus, the expression (2.0×109)(3.4×10−4) in its simplest form is 6.8×105 .
(b)
To find: The expression (1.2×107)(5.0×10−3) in its simplest form.
(b)

Answer to Problem 39E
The expression (1.2×107)(5.0×10−3) in its simplest form is 6×104 .
Explanation of Solution
Given:
The number is (1.2×107)(5.0×10−3) .
Calculation:
Convert the given number (1.2×107)(5.0×10−3) in its simplest form as follows:
(1.2×107)(5.0×10−3)=1.2×107×5.0×10−3=1.2×5.0×107×10−3=6×107−3=6×104
Thus, the expression (1.2×107)(5.0×10−3) in its simplest form is 6×104 .
Chapter A Solutions
EBK PRECALCULUS W/LIMITS
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