6a + 8
Step-by-step explanation:
The opposite sides of the rectangle are equal , then
perimeter (P ) is calculated as
P = 2(2a) + 2(a + 4)
= 4a + 2a + 8
= 6a + 8
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step-by-step explanation:
answer: 1722
given: the mass of saturn=
the mass of mercury=
the number of times the mass of saturn is greater than the mass of mercury
hence, the mass of saturn is 1722 times greater than the mass of mercury.