1. 13*13*13 =2197
2. 2/5*2/5 = 4/25
3. 0.9*0.9 = 0.81
Sequence 1,5,9,13,...
A(0) = 1 +4x0=1
A(1) =1 + 4x1 = 5
A(2) = 1+ 4x2= 9
A(3) = 1 +4x3=13
A(n)= 1+4n A(n-1) = 1+4(n-1) =1+4n-4= - 3+4n
A(n) - A(n-1) = (1+4n) - (-3=4n) = 4
A(n) = A(n-1) +4; 29 is the answer
ANSWER:⇒ ⁶¹/₂₀
Can also be wrote out like:⇒ 3.05, 3¹/₂₀
Formulate & Calculate:
⁶¹/₄ × ₅
Calculate the product or quotient:
⁶¹/₂₀
1b,
2b,
3a, which grade is this?
