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tatuchka [14]
3 years ago
6

Which number is equal to the expression 7 x 104 + 3 x 103 + 0 x 102 + 8 x 101 + 5 ?

Mathematics
1 answer:
suter [353]3 years ago
6 0

Answer:

1

Step-by-step explanation:

Scientific notation is the way that scientists easily handle very large numbers or very small numbers. For example, instead of writing 0.0000000056, we write 5.6 x 10-9. So, how does this work?

We can think of 5.6 x 10-9 as the product of two numbers: 5.6 (the digit term) and 10-9 (the exponential term).

Here are some examples of scientific notation

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yLab and Mastering3.3.43Question HelpIn triangle ABC, the measure of angle Bis 15 more than three times the measure of angle A.
lora16 [44]

∠A = 24°

∠B = 87°

∠A = 24°

Explanation:

The sum of angles in a triangle is 180 degrees

let measure of angle A = ∠A

∠B = 15 more than three times the measure of angle A

∠B = 15 + 3∠A

∠C = 45° more than the measure of angle A

∠C = 45° + ∠A

∠A + ∠B + ∠C = 180° (sum of angles in a triangle)

∠A + 15 + 3∠A + 45° + ∠A = 180

collect like terms:

∠A + 3∠A + ∠A + 15 + 45 = 180

5∠A + 60 = 180

5∠A = 180 -60

5∠A = 120

∠A = 120/5

∠A = 24°

∠B = 15 + 3∠A = 15 + 3(24)

∠B = 87°

∠C = 45° + ∠A = 45° + 24°

∠C = 69°

8 0
1 year ago
Please help its due Tommorow
scZoUnD [109]

Answer:

b) x+6

Step-by-step explanation:

8 0
3 years ago
May someone help me with this question
Dafna11 [192]
X + 13 = -4
x = -4 - 13
x = - 17
I am thinking it is the first one..solution is -17
3 0
3 years ago
Using the Following Image, solve for x
OlgaM077 [116]

Answer:

x = 2

Step-by-step explanation:

x + 1 + 4 = 2x + 3

x + 5 = 2x +3

x + 2 = 2x

2 = x

x = 2

5 0
2 years ago
Read 2 more answers
Can someone help me with this? It's due tomorrow
Alina [70]
Ok so I did 25 divided by 2 I got 12.5 and 26 divided by 3 and got 8.6 so the best deal would be 8.6 for part A .
8 0
3 years ago
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