Approximately how many times greater is 5×108 than 8×105 ? 62.5 625 6250 625,000

625

Step-by-step explanation:

We have the numbers 5x10^8 and 8x10^5

the relation between them can be obtained by:

(5x10^8)/(8x10^5)

now, we can solve this as:

(5/8)*(10^8/10^5) = (5/8)x10^(8-5) = (5/8)x10^3 = 0.625x10^3 = 625

where we used that:

(a^b)/(a^c) = a^(b-c)

then the correct option is the second one.

answer:

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

explanation:

service only with 20% tip  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

in the opening of the question the word 'service' is associated only with the pretax value.

the closing part of the question asks: how much did she pay for the  

service

−−−−−−  

so technically the answer is  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

however, the intention of the question provider may have been that your answer is to be  

$

87.12

(

1

+

8

100

)

=

$

94.09

to 2 decimal places.

'

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

tony b

mar 21, 2017

answer:

trying to explain it another way

explanation:

service charge  

.

→

$

72.60

20% tip  

20

100

×

$

72.60

=

$

14.52

−−−−−−  

←

add

$

87.12

tax  

8

100

×

$

87.12

=

$

6.97

−−−−−  

←

add

$

94.09

related questions

step-by-step explanation:

there are 36 inches in a yard

25 : 36 = 0.69 yards (you can round to 0.70)