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bogdanovich [222]
3 years ago
13

a bell tolls every 10 minutes. another bell tolls every 15 minutes. both bells toll at 6:00pm. they will toll together at what t

ime
Mathematics
2 answers:
lidiya [134]3 years ago
8 0
The answer is 6:30 pm
Ne4ueva [31]3 years ago
4 0
Basically, we need to find the lowest common multiple of 10 and 15.

that multiply would be 30. That means that the bells will ring together in 30 minutes.
So 30 minutes from 6 p.m. is 6:30 p.m. <==
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<em><u>Solution:</u></em>

Given that,

Kristen was asked to write each of the numbers in the expression 80,000 x 25 using exponents

Her response was (8 x 10 to the power of 3) x 5 to the power of 2

No, the response of Kristen is wrong

Let us first understand about exponents

An exponent refers to the number of times a number is multiplied by itself

Given expression is:

80000 \times 25

Here, 80000 has 4 zeros

Therefore, it can be raised as 10 power 4

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<em><u>Thus the expression becomes:</u></em>

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Also, 25 can be written as 5 power 2

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Thus Kristen respone is wrong, because he has raised 10 to power 3

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