Question

Find the 70th term of the arithmetic sequence -26, -19, -12, ..

Answer 1

Answer:

457

Step-by-step explanation:

the difference is +7

• nth=a+(n-1)d
• a=-26,d=7,n=70
• -26+(70-1)×7
• -26+69×7
• -26+483=457

the 70th term is 457