Question

please solve this question fast...​

Answer 1

Answer:

I don't know the 3rd question

4. 25 × t⁴

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5^-3 × 10 × t^-8

= 5² × t⁴ /5^-3 × 5 × 2 × t^-8

= 5² × t⁴/ 5^-3+1 × 2 × t^-8 (a^m × a^n = a^m+n)

= 5² × t⁴/5^-2 × 2 × t^-8

= 5²-(-2) × t⁴-(-8)/2 (a^m ÷ a^n = a^m-n)

= 5⁴t¹²/2 = 625t¹²/2

Answer 2

Step-by-step explanation:

m belons to real number because 1 will reamin as it whatever its power

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