<h3>Solution:</h3>
<h3>Answer:</h3>
Hope it helps.
Do comment if you have any query.
Answer:
4.58
Step-by-step explanation:
21 is not a perfect square, but lies between the perfect squares 16 and 25. Thus, √21 lies between √16 and √25, that is, between 4 and 5. Since 21 is closer to 25 than to 16, √21 is closer to 5 than to 4. A rough estimate of √21 would be 4.7.
√21 done on a calculator comes out to 4.58.
Answer:
I have no idea but I suggest making the rule to round the output to the nearest tenth because all the numbers on there have a 9 at the end.
Hope I helped, if I'm right please give brainliest because I cant level up until I get 2 more ;(
<3 Enjoy,
Dea
