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3 years ago

In 2012, the population of New Zealand was approximately 4.43

Mathematics

1 answer:

mrs_skeptik [129]3 years ago

8 0

Answer: 6.71 × 10^6 people

Step-by-step explanation:

Given that the population of New Zealand was approximately 4.43million people. In the same year, the population of Belgium was approximately 11.14 million people.

The difference in number of population will be

(11.14 - 4.43) millions

= 6.71 millions people

Expressing the answer by using scientific notation will be

6.71 × 10^6 people.

Therefore, 6.71 × 10^6 people live in Belgium than in New Zealand

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We learned in Chapter 13, Exercise 35 that the Paralyzed Veterans of America recently sent letters to a random sample of 100,000

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4 0

4 years ago

Help please

MissTica

Answer:

243cm^3

Step-by-step explanation:

By Pythagoras' Theorem,

height of the prism ^2 + 5.4^2 = 7.8^2

height of the prism = ±√(7.8^2 -5.4^2) = ±5.6285cm (5s.f.) (rej. - 5.6285 since height > 0cm)

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8 0

3 years ago

A town has a population of 13000 and grows at 4.5% every year. To the nearest tenth of a year, how long will it be until the pop

ELEN [110]

Answer:

Correct answer: n = 5.96 ≈ 6 years

Step-by-step explanation:

Given:

Currently population P = 13,000

The percentage annual population growth is 4.5 % or in decimal notation

p = 1.045

Population after n years Pₙ = 16,900

Work:

After first year it will be P₁ = P · p

After second year it will be P₂ = P₁ · p = P · p²

After third year it will be P₃ = P₂ · p² = P · p³

.....................................................................................

After n-th year it will be Pₙ = P · pⁿ

pⁿ = Pₙ / P

n = log p (Pₙ / P) = ln (Pₙ / P) / ln p

n = ln (16,900/ 13,000) / ln 1.045 = ln 1.3 / ln 1.045 = 5.96 ≈ 6

If we accept n = 5.9 we will get:

Pₙ = P · pⁿ = 13.000 · 1.045⁵°⁹ = 16,855

If we accept n = 5.96 we will get:

Pₙ = P · pⁿ = 13.000 · 1.045⁵°⁹⁶ = 16,899.6

If we accept n = 6 we will get:

Pₙ = P · pⁿ = P₆ = P · p⁶ = 13.000 · 1.045⁶ = 16,929.38

What you will accept is yours choice.

God is with you!!!

5 0

4 years ago

Read 2 more answers