Question

Interchanging the thousand and tens places in 3,156

Answer 1

Answer:

Step-by-step explanation:

What you have to do in this question is: you have to find the digits at tens place and thousands place and exchange their position. 

In 5384, 

unit digit = 4

tens digit = 8

hundreds digit = 3

thousands digit = 5

If we exchange tens and thousands digit, then 

unit digit = 4

tens digit = 5

hundreds digit = 3

thousands digit = 8

So new number will be 8354

Answer 2

Step-by-step explanation:

find the value of sec260-tan260/sin230+cos230