Reason number 1 (before) is that you could contaminate your samples if you have foreign material on your hands.
Reason number 2 (after) is that you could spread<span>/or ingest dangerous chemicals or substances that you have handled in the lab.</span>
Answer:
26°
Step-by-step explanation:
90°+64°+x°=180° (Sum of all the angles in a right angled triangle=180°)
154°+x°=180°
x°=180-154°
x°=26°
218,900 should be the answer
Answer:
126 square meters
Step-by-step explanation:
7 x 6 x 3. You can regroup any pair of factors to make it easier on you.
I did (7 x 6) x 3 = 42 x 3 = 126
Answer:
.208
Step-by-step explanation: