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2 years ago

Round 716,487,250 to the nearest million.

Mathematics

1 answer:

IRINA_888 [86]2 years ago

6 0

7 million because 1 is closer to 7 than to 8

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What is y(x)+ab-5 I don’t get the problem

diamong [38]

Answer:

ab+xy−5

Step-by-step explanation:

yx+ab−5 = xy+ab+−5

Simplify-

ab+xy−5

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2 years ago

Has anyone here met any of the 1D boys? and if you have what are they like

vovikov84 [41]

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2 years ago

Please answer! I crossed out the ones you don’t have to complete.

Nina [5.8K]

Answer:

1. Rewriting the expression 5.a.b.b.5.c.a.b.5.b using exponents we get: $\mathbf{5^3a^2b^4c}$

5. $x^-6 = \frac{1}{x^6}$

6. $5^{-3}.3^{-1}=\frac{1}{5^3.3^1}$

7. $a^{-3}b^0c^4=\frac{c^4}{a^3}$

Step-by-step explanation:

Question 1:

We need to rewrite the expression using exponents

5.a.b.b.5.c.a.b.5.b

We will first combine the like terms

5.5.5.a.a.b.b.b.b.c

Now, if we have 5.5.5 we can write it in exponent as: $=5^{1+1+1}=5^3$

a.a as $a^{1+1}=a^2$

b.b.b.b as: $b^{1+1+1+1}=b^4$

So, our result will be:

$5^3a^2b^4c$

Rewriting the expression 5.a.b.b.5.c.a.b.5.b using exponents we get: $\mathbf{5^3a^2b^4c}$

Question:

Rewrite using positive exponent:

The rule used here will be: $a^{-1}=\frac{1}{a^1}$ which states that if we need to make exponent positive, we will take it to the denominator.

Applying thee above rule for getting the answers:

5) $x^{-6} = \frac{1}{x^6}$

6) $5^{-3}.3^{-1}=\frac{1}{5^3.3^1}$

7) $a^{-3}b^0c^4=\frac{b^0c^4}{a^3}$

We know that $b^0=1$ so, we get

$a^{-3}b^0c^4=\frac{b^0c^4}{a^3}=\frac{c^4}{a^3}$

4 0

2 years ago

At a private school, each first-year student is sorted into one of four houses. If 3 students are randomly selected from 15 av

Paul [167]

3% of 96% i think so

7 0

3 years ago

Read 2 more answers

Factor the expression using the GCF. 22+11=

bezimeni [28]

ANSWER

the factor will

11 is common in both the given term

so, when we take 11 from both term

it will left with

11( 2+1)

this is the final answer

hope it helps and u have a great day

6 0

2 years ago