A: Tamara texted a photo of a dolphin to 5 friends. She asked each of her 5 friends to text the photo to 5 more friends. The photo chain continued with each person texting the photo to 5 more friends. How many photos of the dolphin will be texted after 4 rounds? Write and evaluate an expression that shows the number of photos.

B: If the photo chain continues, in which round will the photo be texted 78,125 times?

C: Tamara says her goal is to have the photo texted 1 million times. She says it will at least take until the 10th round. Is Tamara correct? Explain.

Question

Mathematics

Guest

13 September, 23:52

A: Tamara texted a photo of a dolphin to 5 friends. She asked each of her 5 friends to text the photo to 5 more friends. The photo chain continued with each person texting the photo to 5 more friends. How many photos of the dolphin will be texted after 4 rounds? Write and evaluate an expression that shows the number of photos.

B: If the photo chain continues, in which round will the photo be texted 78,125 times?

C: Tamara says her goal is to have the photo texted 1 million times. She says it will at least take until the 10th round. Is Tamara correct? Explain.

+3

Answers (2)

Know the Answer?

Cassandra Chandler · Answer 1

A. 5 to the power of 4 = 625 people

b. the 7th round

c. no, the 9th round will reach 1 mil

Ryan Bishop · Answer 2

A: 625

B: 7

C: tamara is incorrect because 78,125 times 5 has to increase by one place value, the hundered thousands, the millions and thats 2 more rounds from 78,125 and so that would be 9 rounds