What is a formula for the nth term of the given sequence?
180, -240,320...

Tn=T1+(n-1)*d

Step-by-step explanation:

Tn is the nth term

T1 is the first term of the sequence

n is the nth term as well

d is the common difference

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

step-by-step explanation: