Use a single digit times a power of 10 to express the number 43,560,000,000

Can some one explain this i got sent this. is this a threat i’m scared

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate

Naomi draws a portion of a figure as shown she wants to construct a line segment through r that makes the same angle with qr as pq what figure shows the next step to construct a congruent angle at r