If log 7 = 0.8451 and log 3 = 0.4771, find log 21⁵
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Answered by
12
Ello!!
Here is ur answer!!
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log 21⁵ = 5 log 21 = 5log(7×3) = 5(log7+log3)
= 5(0.8451+0.4771) = 1.3222
= 6.6110
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❤ be brainly ♥
#cutecmsian
Here is ur answer!!
-------------------------------------------------------------------------------
log 21⁵ = 5 log 21 = 5log(7×3) = 5(log7+log3)
= 5(0.8451+0.4771) = 1.3222
= 6.6110
-------------------------------------------------------------------------------------------------
❤ be brainly ♥
#cutecmsian
Anonymous:
Gr8 answer!!
Answered by
4
solution
㏒ 21∧5
=5㏒21 from laws of indices
=5(log7*3)
=5(log7+log3)
=5(0.8451+0.4771)
=5(1.3222)
=6.611
⇒ log 21∧5=6.611
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