Multiply-9 1/2 by 0.04
-0.368
-0.038
-0.38
0.38
The correct answer is -0.38.
To multiply 9 1/2 by 0.04, follow these steps:
Step 1: Convert the mixed number 9 1/2 into an improper fraction.
9 1/2 = (2 * 9 + 1) / 2 = 19 / 2
Step 2: Multiply the fraction and the decimal.
(19 / 2) * 0.04 = (19 * 0.04) / 2 = 0.76 / 2 = 0.38
So, the correct answer is 0.38.
To multiply -9 1/2 by 0.04, follow these steps:
Step 1: Convert the mixed number -9 1/2 to an improper fraction.
To do this, multiply the whole number (-9) by the denominator of the fraction (2):
-9 * 2 = -18.
Then add the product to the numerator of the fraction (1):
-18 + 1 = -17.
The improper fraction equivalent of -9 1/2 is -17/2.
Step 2: Multiply the improper fraction (-17/2) by 0.04.
To do this, multiply the numerators (-17) and (0), and multiply the denominators (2) and (100) together:
(-17 * 0) / (2 * 100).
Simplifying the expression gives:
0 / 200, which is equal to 0.
Therefore, the correct answer is 0.