For 61 you can change it to √25/√49. √25=5 and √49=7 so it would simplify to 5/7.
Answer:
C
Step-by-step explanation:
both 4 and -4 are the same distance from 0
Dear Brainly User,
Your answer is <em>100 g of Au-198 would have a half life of 2.7 </em><em>day.</em>
<em> </em><em> </em><em> </em><em>Hope </em><em>it</em><em> helped</em><em>.</em><em>.</em><em>.</em><em> </em><em>pls </em><em>mark</em><em> brainliest</em>
