Suppose a piece of silver jewelry contains 6.15×1022 atoms of silver (ag). how many dozens of silver atoms are in the piece of jewelry?

The answer to your question is: 5.125 x 10 ²¹ dozens of silver atoms

Explanation:

Data

Silver jewelry = 6.15 x 10 ²² atoms

dozens of silver atoms = ?

Process

Divide silver jewelry  by 12

                                      =

                                      = 5.125 x 10 ²¹ dozens of silver atoms

what is the general relationship between a galaxy's distance from earth and its speed?

the answer is:

the farther away a galaxy is from us, the faster it is moving away from us.