1. Circle the given unit. 2. Count the number of blocks to the desired unit.
3. Move the decimal point that many places in the same direction.
kilo-
hecto-
deka-
unit
deci-
centi-
milli-
1,000
100
10
1
0.1
0.01
0.001
How can Marco find how many dekagrams are in 77 centigrams?
Marco can
There are
dekagrams a

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.