Answer + Step-by-step explanation:
an= 4(2)ⁿ⁻¹
<u>First term (n = 1)</u> :
a1= 4(2)¹⁻¹ = 4(2)⁰ = 4×(1) = 4
<u>Second term (n = 2)</u> :
a2= 4(2)²⁻¹ = 4(2)¹ = 4×(2) = 8
<u>Third term (n = 3)</u> :
a3= 4(2)³⁻¹ = 4(2)² = 4×(4) = 16
<u>Fourth term (n = 4)</u> :
a4= 4(2)⁴⁻¹ = 4(2)³ = 4×(8) = 32