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zhannawk [14.2K]
2 years ago
8

Evaluate WITHOUT a calculator. Answer in scientific notation.(3•10^9) (5•10^6)​

Mathematics
1 answer:
alexandr402 [8]2 years ago
8 0

Answer:

15*10^15

Step-by-step explanation:

5*10^6= 5*1,000,000

5*1,000,000=5,000,000

3*10^9=3*1,000,000,000=3,000,000,000

5,000,000*3,000,000,000=15,000,000,000,000,000

15*10^15=15,000,000,000,000,000

Hope this helps

You might be interested in
Xorlali neeas a number with an 8 in the ten thousands place. Which number can he choose? A. 8,021 C. 8,214,617 B. 16,816 D. 781,
Assoli18 [71]

Answer:

The answer to your questions is letter D

Step-by-step explanation:

We need to look for a number that has an 8 in the ten thousands that means a number after in the fifth position after the decimal point

A. 8,021          this number only has 4 numbers and we need five, then is incorrect.

C. 8,214,617   this number has a number 1 in the fifth position then is incorrect

B. 16,816        this number has a number 1 in the fifth position then is incorrect

D. 781,200      this number has an 8 in the fifth position then is the one we are looking for

7 0
3 years ago
Draw and classify the polygon with the given vertices. Find the perimeter and the area of the polygon. M(-2,5), N(3,-2), P(-2,-2
Nadusha1986 [10]

Answer:

<em>Perimeter = 20.6cm  to 1dp  = 20.60cm to 2dp</em>

<em>Area = Base = 8.6/2 = 4.3 x 4.069  = 17.5cm^2</em>

<em>Height is found 4.07  cos( 54.47deg) 5/8.6 = 4.069cm</em>

Step-by-step explanation:

<em>Right angle side triangle, sides </em>

<em>= MN =8.6cm </em>

<em>= NP=5cm </em>

<em>= PM=7cm </em>

<em>= 25sq + 49sq = 74sq</em>

<em>MN^2 =√74 = 8.60232526704 = 8.6cm</em>

<em>P = 8.6 + 5 + 7 = 20.6cm </em>

5 0
3 years ago
Read 2 more answers
Pls help me answer this question
docker41 [41]

x=
d+a
——
b+c
Answer above
7 0
2 years ago
2х + y = 20<br> 6x — 5y = 12<br> How do i solve this? This is Systems of equations: Substitution
RideAnS [48]
12819=
Yx ..................................
6 0
3 years ago
What's 8n-(2n-3)=12?
Alborosie
8n- (2n-3) =12
8n-2n= 12+3
6n=15
n= 2.5

Hope this helps :)
6 0
3 years ago
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