6x-2y=156.......(1)X - y=18.........(2)(1)-2×(2 )How will you go about it
2 answers:
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Answer:
0,00027 grams!
Step-by-step explanation:
This is a scientific notation problem.
When a number is followed by a , it means that said number has one zero at the beginning.
In this case, the number is followed by , so that means that 2.7 has four zeros at the beginning. So, 2.7x
grams is equal to 0,00027 grams! (always the comma goes after the first zero).