M = mass
p = density
v = volume
Yes, to find m it would be m = pv.
To find v that would be m/p.
Answer:7x^14
Step-by-step explanation: You multiply 2X to the power of 2×7 which equals 14 X to the power 14 and then seven times -3 equals -21
1 is a and 2 is b hope its right