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Alex
3 years ago
15

Simplify the following expression: -13^2=?

Mathematics
1 answer:
Dmitrij [34]3 years ago
4 0

-13²

Write the exponentiation as a multiplication

-13×13

Multiply the numbers

-169

PLEASE MARK ME AS BRAINLIEST

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Tommy has 6 more than 3 times the amount of money in his bank account than Judy. Judy has $7500 more than a number in her accoun
balu736 [363]

Answer: Judy: n+7500

Tommy: 3(n+7500)+6

Step-by-step explanation:

4 0
3 years ago
Rewrite 2+(1/b-2) = (3b/b+2) as a proportion. Which of these proportions is equivalent to the original equation?
lorasvet [3.4K]

Answer: c for the first part

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Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
Evaluate each of the following to three significant figures, and express each answer in SI units using an appropriate prefix: (a
Softa [21]

Answer:

a). 4.86\times 10^{-15} m

b). 4.21\times 10^{-2} m³

c). 7.00\times 10^{3} N²

Step-by-step explanation:

In this question we have to convert each option into SI units.

a). 4.86(10^{-6})^{2} mm

= 4.86\times (10^{-12})\times (10^{-3} ) m

= 4.86\times 10^{-15} m

b). (348 mm)³

= (348)^{3}\times (10^{-3})^{3} m³

= 42144192\times 10^{-9} m³

= 4.21\times 10^{-2} m³

c). (83700)^{2}\times (10^{-3})^{2} N²

= 700569\times 10^{4}\times 10^{-6} N²

= 7.00\times 10^{9}\times 10^{-6}N^{2}

= 7.00\times 10^{3} N²

7 0
2 years ago
What happened to the tutor option :(
ElenaW [278]

Answer: wym

Step-by-step explanation:

6 0
2 years ago
One foot is equivalent to approximately 0.3048 meters. if a building is 65-feet long, what is the length of the building in mete
adelina 88 [10]
If one foot is equivalent to 0.3048 meters, then <span>0.3048 x 65 feet should give us our answer.

</span>0.3048 x 65 feet = 19.812.

19.812 rounded to the nearest tenth is 19.8.
5 0
3 years ago
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