How to find the measurement of BE

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

Simplify using positive exponents only.