Question

Đã trả lời bởi chuyên gia

Answer 1

bam may tinh

Answer 2

9^8=43046721

8^9=134217728

8^9 > 9^8

Answer 3

$8^{9} = {(2.4)}^{9} = 2^{9} . 4^{9} > 3^{8} . 3^{8} = 9^{8} V ậ y : 8^{9} = 9^{8}$

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...Xem thêm

Answer 4

$8^{9} = {(2.4)}^{9} = 2^{9} . 4^{9} > 3^{8} . 3^{8} = 9^{8} V ậ y : 8^{9} = 9^{8}$

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Answer 5

8^9=(8^3)^3=512^3

9^8=(9^2)^4=81^4

Ta có : 81^4 < 100^4

100^4=10^8=100000000

Ta có : 512^3 > 500^3

500^3=5^3.100^3=125.1000000=125000000

Ta thấy : 100000000<125000000

Vậy ta có : 81^4 < 100^4 < 500^3 < 512^3

Vậy : 8^9 > 9^8

7 câu trả lời 7674

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