154mm
we know that 1cm = 10 mm
therefore 15cm= 10*15 mm
= 150 mm
and 4 mm
we get total mm= 15cm +4mm
= 150mm+4mm
= 154 mm
mm stands for millimeters and cm stand for centimeters
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184 x 7 = 1288
7 x 6 = 42
so you have 42 <span>defective bulbs</span>
1562 divided by 35= 45 with a remainder of 32