Jacob decides to save money for a new tablet. He will save $3 the first week and then triple the amount he has saved
each week for 5 weeks. Write and evaluate an exponential
expression to find how much money Jacob will have in his
savings in Week 5.
Represent the problem with repeated multiplication and
exponential expressions.
Week 1
3 = 31
Week 2
3.3= 32
Week 3
3.3.3= 33
Week 4
3.3.3.3=34
Week 5
3.3.3.3.3=35
Week 5 expression: 35
Evaluate the expression: 35 = 3.3.3.3.3 = 243
Jacob will have $243 in his savings in Week 5.
1 Look at the table. How many times greater is the amount
in Jacob's savings in Week 3 than in Week

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.

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step-by-step explanation:

it is impossible.