Okay i get it, i know how to do this but this one doesnt make sense

what is 1.11×10−71.11×10−7 written in standard form?

0.111
0.111
0.1011
0.111

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.