# Which number is greater than 3.25 ×1030? 8.75 × 1028 3.26 × 1029 2.25 × 1025 1.75 × 1032

###### Question:

## Answers

3.03

Step-by-step explanation:

3.03 is greater because if we look at how many thousandths each number has, 3.03 has 3030 thousandths and 3.028 has 3028 thousandths. 3.03 is 2 thousandths above 3.028

3.03

Step-by-step explanation:

If you take away the 8 at the end of 3.028 you get 3.02.

Remove 3.0 from both.

3

2

The first is correct.

A

this should be apparent with the heating input

answer: 1722

step-by-step explanation:

given: the mass of saturn=[tex]5.685\times10^{26}\ kgs[/tex]

the mass of mercury=[tex]3.302\times10^{23}\ kgs[/tex]

the number of times the mass of saturn is greater than the mass of mercury

[tex]=\frac{\text{mass of saturn}}{\text{mass of mercury}}\\=\frac{5.685\times10^{26}}{3.302\times10^{23}}\\\\=1.72168\times10^{26-23}{by using law of exponent}]\\=1.72168\times10^3=1721.68\approx1722[/tex]

hence, the mass of saturn is 1722 times greater than the mass of mercury.

The answer is 400

Step-by-step explanation:

The ratio between the masses of Jupiter and Venus is

[tex]\dfrac{1.989\cdot 10^{30}}{4.869\cdot 10^{27}}[/tex]

We can separate the coefficient and the powers of ten:

[tex]\dfrac{1.989\cdot 10^{30}}{4.869\cdot 10^{27}}=\dfrac{1.989}{4.869}\cdot \dfrac{10^{30}}{10^{27}}[/tex]

Use the exponent rule

[tex]\dfrac{a^b}{a^c}=a^{b-c}[/tex]

to simplify the powers of 10:

[tex]\dfrac{10^{30}}{10^{27}}=10^3[/tex]

So, the ratio is

[tex]\dfrac{1.989}{4.869}\cdot 10^3\approx 0.4\cdot 10^3=400[/tex]

So, Jupiter has a mass that is approximately 400 times greater than Venus's.

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