<h2>Firstly, we let for the number to be any number or letter.</h2>
Step-by-step explanation:
The above pictures shows working.
Can someone please help me with this problem
Your answer would be -15.41. If you ever need any other kind of help, just ask me.
The explicit formula is an= 4.2*
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The correct option is (b)
<h3>What is explicit formula?</h3>
The explicit formula for a geometric sequence is of the form an = a1r-1, where r is the common ratio.
Given sequence: {4.2, 3.57, 3.0345, 2.5793, …}
General formula 
an=4.2* 
an= 4.2* 
Hence, an= 4.2* 
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Answer:
150
Step-by-step explanation:
75% of 200 is 150.
75*200=15000
15000/100=150