What is the sum f 1.57 and 6.88
The Correct Answer and Explanation is:
Explanation
Addition is one of the four basic arithmetic operations. It involves combining two or more numbers to find their total or sum. In this case, we are asked to find the sum of 1.57 and 6.88.
Let’s break this down step-by-step:
- Understanding Place Value:
- 1.57 has three parts: 1 (ones), 5 (tenths), and 7 (hundredths).
- 6.88 has: 6 (ones), 8 (tenths), and 8 (hundredths).
- When adding decimal numbers, it is important to align the decimal points so the digits are in the correct place value columns.
- Lining up the numbers: markdownCopyEdit
1.57 + 6.88 ------ - Adding from right to left:
- Hundredths place: 7 + 8 = 15 → write 5, carry over 1.
- Tenths place: 5 + 8 = 13; plus the carried over 1 = 14 → write 4, carry over 1.
- Ones place: 1 + 6 = 7; plus the carried over 1 = 8.
- Why accuracy matters:
This simple operation is a fundamental building block for more complex mathematics. Precision in decimal addition is crucial, especially in fields like accounting, science, and engineering. For example, a minor miscalculation in a financial transaction could result in errors that affect budgeting or auditing. Similarly, in science, accurate data handling affects the reliability of results. - Verification:
You can verify this by using a calculator or estimating:
1.57 is close to 1.5, and 6.88 is close to 7. Adding them gives about 8.5 — close to our exact sum, 8.45.
Thus, the correct and verified sum of 1.57 and 6.88 is 8.45.
