64 * 32768 = 2097152
2006-08-31 01:48:23
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answer #1
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answered by time-OUT 4
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1)If ^ is prior *, then
8^2*8^5 = (8^2)*(8^5) = 8^7 = 2 ^ 21 hm..if not to use a calculator:
= 2 ^10*2^10*2 =
Everybody knows that 2^10 = 1024, so:
=1024*1024*2=
easy to square in brain
(1024*1000+1024*24)*2 = (1024000+1000*24+24*24) =1048576*2=
and with the final move
=2097152
2)On the other hand, if * is prior ^:
8^2*8^5 = 8^(2*8)^5 = 8^16^5 = 8^(16*5) = 8^80 = 2^240=
OMG, i memorize of an ancient Indian legend about a peasant and a sultan. I can't count it, but maybe I can simplify so that we can use our previous results.
=2^(21*11+9)=[(2^21)^11]*[2^9] = (2097152^11)*512
2006-08-31 09:12:39
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answer #2
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answered by leo f 1
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In this particular type of case, where the result is the product of a common number (n) raised to two different powers (a, b), the general rule is:
(n^a) Ã (n^b) = n^(a+b)
In this case:
n=8
a=2
b=5
then
(8^2) Ã (8^5) = 8^(2+5) = (8^7) = 2097152
(8^2) = 64
(8^5) = 32768
and
(64 Ã 32768) = 2097152
or
(8^7) = 2097152
Â
2006-08-31 09:13:47
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answer #3
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answered by Jay T 3
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64 x 32768 = 2097152
^ means raise to a power, * means multiply.
By order of operations you raise to the power first.
So 8^2 equals 8 x 8, which equals 64.
8^5 equals 8 x 8 x 8 x8 x8, which equals 32768.
* means multiply
So 64 x 32768, which gives you 209152.
PLEASE NOTE:
This also equals 8^7.
Because the base is the same, you can simply add the exponents. The base in this case is 8.
So you can simply add the exponents 2 and 5 to get 7.
So 8^2 * 8^5 = 8^7, which equals 2097152
2006-08-31 09:04:49
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answer #4
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answered by Friend_88 3
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8^2 x 8^5
8^2 +5= 8^7
Rule: when multiplying add the exponents
8^7 = 2097152
The answer is 2097152
2006-08-31 09:53:39
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answer #5
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answered by SAMUEL D 7
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8^7
2006-08-31 09:08:00
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answer #6
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answered by johnavaro 3
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8^2*8^5
Base same so Add the powers:
8^ (2+5) = 8 ^7 = 2097152
2006-08-31 08:52:12
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answer #7
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answered by Princess 2
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8^7
2006-08-31 08:52:04
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answer #8
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answered by alandicho 5
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8^2*8^5=2^6*2^15=2^21
2006-08-31 09:00:54
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answer #9
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answered by None A 3
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according to the order of operations,
indices to be simplified prior to multiplications
so,
8^2*8^5
= (8^2) * (8^5)
= 64 * 32768
= 2097152
2006-08-31 09:45:26
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answer #10
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answered by Praful M Nimbargi 2
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= 8 ^ (2 + 5)
= 8 ^ 7
= 2097152 Ans.
2006-08-31 09:19:04
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answer #11
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answered by Mr Fact 3
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