Answer:
a is the answer
Step-by-step explanation:
it is equivalent to it and it uses the product of powers property and it is equivalent to the equation
b Image result for power of a power of 10topex.ucsd.edu
Power of 10. ... A power of 10 is the number 10 multiplied by itself by the number of times indicated by the exponent. Thus, shown in long form, a power of 10 is the number 1 followed by n zeros, where n is the exponent and is greater than 0; for example, 106 is written 1,000,000.
