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3 years ago

11

Cindy is making a 21.5 inch necklace. There are beads every 3.25 inches along the necklace from the beginning of the necklace. W

hat is the distance between the last bead and the end of the necklace?

1 answer:

DochEvi [55]3 years ago

7 0

21.5 divided by 3.25

equals 6.615

round up to 6.62

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nirvana33 [79]

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Given expression:

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Using exponent rule: $a^m\times a^n=a^{m+n}$

$$\Rightarrow\frac{\left(4.8 \times 10^{8-6}\right)}{\left(1.2 \times 10^{4}\right)} \times\left(2.2 \right)$

$$\Rightarrow\frac{\left(4.8 \times 10^{2}\right)}{\left(1.2 \times 10^{4}\right)} \times\left(2.2 \right)$

Using exponent rule: $\frac{a^m}{a^n} =a^{m-n}$

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