Which is one way to check 102 ÷ 6 = 17?       a.  100 ÷ 5 = 20      b.  105 ÷ 10 = 10.5      c.  102 ÷ 10 = 10.2      d.  105 ÷ 5 = 21

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

What is the measure of the smallest angle in the diagram? 15 29 32 45