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Valerie Roberson
Mathematics
29 October, 12:46
What is 2.1 times 10 to the power of - 4
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1
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Shane
29 October, 13:02
0
= 0.00021
Step-by-step explanation:
This statement will be written as;
2.1 * (10^-4)
Now to solve this expression. Notice that the exponent of 10 is negative
So we know that a^-b = 1/a^b
2.1 * (1/10^4)
10^4 means multiply 10 four times:
2.1 (1/10*1/10*1/10*1/10)
2.1 (1/10,000)
2.1/10,000
=0.00021
Thus the answer is 0.00021 ...
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