Answer:
4
Step-by-step explanation:
The length of a DNA nucleotide building block is about 1 nanometer, or 0.000000001 meters. Fill in the blank to write this number in scientific notation.
×10−9
work in rates per hour :-
1/6 + 1/7 = 1/x
Multiply through by the LCD, 42x:-
7x + 6x = 42
x = 42 / 13 = 3.23 hours answer
or about 3 hours 14 minutes
21x-9+63=180
21x+54=180
21x=126
x=6
Answer:
Transformss
Step-by-step explanation:
Transformss