13
QuizMultiple Choice

Adding and Subtracting Matrices — Unit test

Question 13 • GA-Advanced Algebra: Concepts and Connections CR

What is the product?0.9 x 0.5

Answer
A
0.0045
B
0.045
C
0.45
D
4.5

Explanation

Multiply 9 by 5 to get 45. The factors 0.9 and 0.5 have a total of two digits after the decimal point, so place the decimal two places from the right: 0.45. The product is 0.45, choice C.

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