Step by step
The question
Question: work out √49.
√49
1 Find the square root
√49 asks: which positive number times itself makes 49?
7 times 7 is 49.
7 × 7 = 49
So √49 is 7.
= 7
So the answer is 7.
Answer
= 7
Calculate √49
Step by step, with the reason for every step · Powers, square roots, absolute value · Foundations
Your turn
Try this one yourself, then check:
Work out √100
Show the answer
10