The least number which can be rounded off to 45,000 is 44,500. While the largest is 45,499.
<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>
Answer:
c. observational study
Step-by-step explanation:
<em>Researchers compare the rates of autism for children who did and did not receive the standard measles-mumps-rubella vaccine, to see if the vaccine might be responsible for autism in some children.</em>
This study design in the above scenario is observational study because the researcher are obviously observing whether the vaccine is affecting the children. Note that Observational study is like experiment which attempts to understand the cause and effect relationships on a subject.
Answer:
14
Step-by-step explanation:
6×15=90 90-76=14 you save 14 dollars
D 2520 -------------------------------------------
Hundredth: 142
Hundred: 100
Ten: 140
Tenth: 142<span />