Learn Before
Example of Evaluating
To evaluate the expression , first determine the sign. Since both numbers are negative, the final difference will be negative, and the operation is equivalent to adding their numerals (). Write the numbers so that the decimal points line up vertically, appending a placeholder zero so becomes . Add the numbers as if they were whole numbers (). Finally, place the decimal point in the sum and write the result with a negative sign. Therefore, .
0
1
Tags
OpenStax
Intermediate Algebra @ OpenStax
Ch.1 Foundations - Intermediate Algebra @ OpenStax
Algebra
Related
Adding 23.5 + 41.38
Subtracting 20 − 14.65
Simplifying
A logistics coordinator needs to calculate the total weight of two packages weighing 14.5 kg and 9.25 kg. Arrange the following steps in the correct order to perform this decimal addition manually according to the standard procedure.
A payroll clerk is manually calculating the total hours worked by an employee who logged 38.5 hours in week one and 40.25 hours in week two. According to the standard procedure for adding decimals, what is the first step the clerk must take to set up the calculation?
Maintaining Precision in Laboratory Measurements
A construction worker is calculating the combined length of two copper pipes measuring 8.5 meters and 4.25 meters. According to the standard procedure for adding decimals, the worker should append a trailing ____ to the 8.5 measurement to ensure both numbers have the same number of decimal places before performing the addition.
A shipping clerk is calculating the total cost of two service fees: $15.60 and $9.4. Match each step of the standard decimal addition procedure with the correct action the clerk should take.
A landscape designer is calculating the total length of two irrigation pipes measuring 12.5 meters and 8.75 meters. True or False: According to the standard procedure for adding decimals, the designer should align the rightmost digit of both numbers (the 5 in 12.5 and the 5 in 8.75) in the same vertical column.
Manual Decimal Addition in Medical Billing
Standard Procedure for Decimal Operations in Inventory Auditing
An inventory manager is totaling the weights of two shipments: 154.2 kg and 87.65 kg. According to the standard procedure for adding decimals, what is the primary reason the manager must align the decimal points vertically before performing the calculation?
Evaluating
Evaluating
Example of Evaluating
Example of Evaluating
Example of Evaluating
Example of Evaluating
A carpentry apprentice is subtracting a 2.45-meter segment from a 10.8-meter board. After aligning the decimal points and performing the subtraction as if the numbers were whole numbers, what is the final step the apprentice must take to complete the calculation according to the standard procedure?