Question

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$25 {}^{4} \times 5 { }^{8} \div (5 {}^{3} ) {}^{3 } \times 5 {}^{8} \div 5 {}^{10} =$
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Answer 1

25^4 = (5^2)^4 = 5^8

$5^{8}*5^{8}/5^{9} *5^{8} /5^{10} = 5^{16} *5^{8} /5^{19} = 5^{24} /5^{19} = 5^{5}$

Answer 2

= (5^2)^4 × 5^8 : 5^9 × 5^8 : 5^10 =

= 5^8 × 5^8 : 5^9 × 5^8 : 5^10 =

= 5^16 : 5^9 × 5^8 : 5^10 =

= 5^7 × 5^8 : 5^10 =

= 5^15:5^10 =

=5^5