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sergeinik [125]
3 years ago
9

The total number of Living humans on Earth was converted to scientific notation using an ontine calculator and was reported to b

e approximately 7.158 x10^9 Write Earth's population as a single digit times an integer power of 10 and in standard form
Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
3 0
<span>7.158 x 10^9 rounds to 7 x 10^9

</span>7 x 10^9 means 7 followed by 9 zeros.

7.158 * 10^9 is approximately equal to 7 * 10^9 = 7,000,000,000
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3 years ago
16
Tanya [424]

Answer:

2.50

Step-by-step explanation:

Given

(x_1,y_1) = (-1,0.8)

(x_2,y_2) = (0,2)

(x_3,y_3) = (1,5)

(x_4,y_4) = (2,12.5)

Required

The rate of change (b)

The above graph is represented as:

y = ab^x

For: (x_2,y_2) = (0,2);

We have:

y = ab^x

2 = a * b^0

2 = a *1

2 = a

a = 2

For (x_3,y_3) = (1,5),

We have:

y = ab^x

5 = a * b^1

5 = a * b

Substitute a = 2

5 = 2 * b

Divide by 2

2.5 = b

b = 2.5

<em>Hence, the rate of change is 2.50</em>

7 0
3 years ago
Eight friends went to a hockey game. The
ASHA 777 [7]

Step-by-step explanation:

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Expression

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3 0
3 years ago
Read 2 more answers
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