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Alika [10]
3 years ago
13

7x7x7x7 in exponential form?

Mathematics
2 answers:
kondaur [170]3 years ago
3 0
7^4 or 7 and a little 4 above it to the right like this...
zavuch27 [327]3 years ago
3 0
7*7*7*7 in exponential form is 7^4 or 7 to the 4th power
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How much more interest will Maria receive if she invests $1,000 for one year at x percent annual interest, compounded semiannual
notka56 [123]

Answer:

  $0.025x² . . . where x is a number of percentage points

Step-by-step explanation:

The multiplier for semi-annual compounding will be ...

  (1 + x/2)² = 1 + x + x²/4

The multiplier for annual compounding will be ...

  1 + x

The multiplier for semiannual compounding is greater by ...

  (1 + x + x²/4) - (1 + x) = x²/4

Maria's interest will be greater by $1000×(x²/4) = $250x², where x is a decimal fraction.

If x is a percent value, as in x = 6 when x percent = 6%, then the difference amount is ...

  $250·(x/100)² = $0.025x² . . . where x is a number of percentage points

_____

<u>Example</u>:

For x percent = 6%, the difference in interest earned on $1000 for one year is $0.025×6² = $0.90.

3 0
3 years ago
Mindy and Troy combined ate 999 pieces of the wedding cake. Mindy ate 333 pieces of cake and Troy had 1/4 of the total cake. ​ W
lubasha [3.4K]

Answer:

Step-by-step explanation:

333+p/4=999

p/4=666

p=2664

6 0
2 years ago
Read 2 more answers
Jane needs 6 1/2 of fabric to make a dress. She has one piece of fabric that is 1 1/2 yards and another piece of fabric that is
telo118 [61]

Answer:

1 1/2

Step-by-step explanation:

1 1/2 + 3 1/2 = 5

6 1/2 - 5 =1 1/2

4 0
2 years ago
I need help plz help me
slega [8]
64 is the answer because it’s 8 for one And 8*8=64
3 0
2 years ago
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What is the sum to 12.678+23.679= to
777dan777 [17]
The answer would be 36.35700 hope i helped
6 0
3 years ago
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