Tim has a savings account with the bank. The bank pays him 2% per year. He has $4,700 and wonders
when it will reach $4,900. When will his savings reach $4,900? If necessary, round your answer to the
nearest whole number.

if you explain the the question more correctly i might be able to answer this better

step-by-step explanation:

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step-by-step explanation:

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the correct answer is 5 6 and 7

the largest number of the four options is 1.8 x 10-2

you have it in scientific notation.

1.80 x 10-6   = 0.00000180

1.80 x 10-4   = 0.000180 (bigger, or "less small", than the former one)

so

1.8 x 10-2       = 0.0180. as you see. the "less small", or the biggest one of them all.

as you have negative exponent, it means you are dividing 1.8 by 100 (i.e. moving the dot towards left, two times).

if you had positive exponent for the scientific notation, power of tenths, you would be multiplying times 100 (moving the dot towards right) as below:

1.8 x (10)2 = 180

so. if you have negative exponent in scientific notation, move the dot toward left. if it is positive, toward right as many times the exponent tells you.