**Metric Prefixes **are “labels” that can be placed in front of base units. Whenever using the metric prefix chart, remember that “1” is associated with the metric prefix.

**Conversion factors needed:**

**1 kJ = 10 ^{3} J **

**kJ to J: **

$\mathbf{3}\mathbf{.}\mathbf{345}\mathbf{}\overline{)\mathbf{kJ}}\mathbf{\times}\frac{{\mathbf{10}}^{\mathbf{3}}\mathbf{}\mathbf{J}}{\mathbf{1}\mathbf{}\overline{)\mathbf{kJ}}}$

Complete the following table:

(a) 1245 kg | 1.245 10^{6} | 1.245 10^{9} |

(b) 515 km | _______ dm | ________ cm |

(c) 122.355 s | _______ ms | ________ ks |

(d) 3.345 kJ | _______ J | ________ mJ |

Complete the fourth row

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