Answer:
Step-by-step explanation:
Estimating the Square Root of a Number
Square root refers to the number that when multiplied by itself is equal to the original number. On the other hand, there are non-perfect square numbers, meaning their square root are in decimal form.
Estimating the square root of the numbers deals with the finding of a number that is close enough to the original number. It is not about finding the exact value but the approximate value of the number. To estimate, you have to apply the rules in rounding off numbers.
Look for the rounding digit. Look at the digit to its right. If the digit to its right is 5, 6, 7, 8, or 9, round up. Add 1 to the rounding digit.
Look for the rounding digit. Look at the digit to its right. If the digit to its right is 0, 1, 2, 3, or 4, round down. The rounding number stays the same.
Let us now find the answer.
C. Estimate the square root to the nearest hundredth.
1. √138 = 11.7473 = 11.75
Rounding digit is 4 and the digit to its right is 7, so round up.
6. √580 = 24.0831 = 24.08
Rounding digit is 8 and the digit to its right is 3, so round down.
2. √405 = 20.1246 = 20.12
Rounding digit is 2 and the digit to its right is 4, so round down.
7. √300 = 17.3205 = 17.32
Rounding digit is 2 and the digit to its right is 0, so round down.
8. √250 = 15.8113 = 15.81
Rounding digit is 1 and the digit to its right is 1, so round down.
4. √1150 = 33.9116 = 33.91
Rounding digit is 1 and the digit to its right is 1, so round down.
9. √284 = 16.8522 = 16.85
Rounding digit is 5 and the digit to its right is 2, so round down.
3. √800 = 28.2842 = 28.28
Rounding digit is 8 and the digit to its right is 4, so round down.
5. √6500 = 80.6225 = 80.62
Rounding digit is 2 and the digit to its right is 2, so round down.
10. √794 = 28.1780 = 28.18
Rounding digit is 7 and the digit to its right is 8, so round up.
For other examples of rounding off, visit the links:
brainly.ph/question/576218
brainly.ph/question/614145
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