Question

${t}^{ - 2} \times {t}^{ - 2} =$
???????
Please answer it fast​

Answer 1

Answer:

The answer is 1/t⁴

How? (t^-2)×(t^-2)=1/t²×1/t². (As when the power is in negative, the order of digit changes.)

1/t²×1/t²=(1×1/t×t)×(1×1/t×t)=1/t⁴