Estimate the result by rounding the numbers to the second decimal before performing the operation. Then also round your answer to the second decimal.

a) 2.3 x 0.12

b) 8123 x 0.211

c) 30.15 x 0.05

d) 3.15 x 0.0318

You are making a blueprint of your bedroom and you plan to use a scale factor of 18 . the actual width of your room is 14 feet and the actual length of your room is 16 feet. determine the width and length of your room on the blueprint. on the blueprint, your room will have a width of feet and a length of feet.

You can find the constant of proportionality by finding the ratio of

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).