Question

please help me to solve this​

Answer 1

Answer:

10 / 7 t^14

Step-by-step explanation:

49 × t^( - 5 ) × 7^( - 3 ) × 10 × t^( - 9 )

= 7^2 × t^( - 5 ) × 7^( - 3 ) × 10 × t^( - 9 )

= 7^2 × 7^( - 3 ) × t^( - 9 ) × t^( - 5 ) × 10

= 7^( 2 - 3 ) × t^( - 9 - 5 ) × 10

= 7^( - 1 ) × t^( - 14 ) × 10

= ( 1 / 7 ) × ( 1 / t^14 ) × 10

= [ 1 / ( 7 × t^14 ) ] × 10

= 10 / 7 t^14