Answer:
Find a common prime factor in each of these pairs of numbers
a.21 and 411

0.00001933 = 1.933 x 10^{-5}
remember that to put a number in scientific notation is necessary to have the first digit of the number different to 0, so

to calculate the order of magnitude, if the number is greater than 3.16, we assume it as a 10, so in this case as 7.654 > 3.16 we get that the order is

So the order is 10^-3
The true statement is that minerals come from the ground as crystals. Hope this helps!
Answer:
6
Step-by-step explanation:
There 6 digits in this number so its of magnitude 6.