Almost everyone has a portable device these days. Cell phones, laptops, and video game players are some of these devices. We charge these devices so that we can use them on the go. The amount of remaining battery power is usually shown on these devices. The devices usually show the battery power left as a percentage. My computer is at 73% battery power. (2 points)

Question

73% as a decimal would be
. 73% as a simplified fraction would be

Question 2
After about 1,000 charges, smartphone batteries lose about one-fifth of their charging capacity. A brand new phone is currently at 78%. What would this phone's battery percentage show after 1,000 charging cycles? (round to the nearest whole number)(1 point)
Responses

16%
16%

78%
78%

62%
62%

100%

Answer 1

Question 1:

To convert 73% to a decimal, divide 73 by 100:

73/100 = 0.73

So, 73% as a decimal is 0.73.

To convert 73% to a simplified fraction, divide 73 by 100 and simplify if possible:

73/100 cannot be simplified further.

So, 73% as a simplified fraction is 73/100.

Answer 1:

73% as a decimal is 0.73.
73% as a simplified fraction is 73/100.

Question 2:

If a brand new phone is currently at 78% battery power and loses one-fifth of its charging capacity after 1,000 charging cycles, we need to find out how much one-fifth of 78% is and subtract it from 78%.

One-fifth of 78% is calculated by multiplying 78 by 1/5:

78 * (1/5) = 15.6

So, one-fifth of 78% is 15.6%.

Now, subtract this from 78%:

78 - 15.6 = 62.4

Rounding to the nearest whole number, the phone's battery percentage after 1,000 charging cycles would be 62%.

Answer 2:

After 1,000 charging cycles, the phone's battery percentage would show 62%.