The weight og darrin's phone is 3.405 ounces. what is 3.405 written in expanded form? a. 3×1+4×1/10+5×1/1,000b.3×10+4×1/10+5 ×1×1/1,000c.3×10+ 4× 1/10+5× 100d.3× 1+4× 1/100+5× 1/1,000

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google

answer: 1) twenty-seven times y

              2) twenty-seven multiplied by y