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Helen [10]
3 years ago
15

What is 0.045 in scientific notation

Mathematics
2 answers:
strojnjashka [21]3 years ago
8 0
4.5 x 10 exponent -2
sdas [7]3 years ago
6 0
The decimal moves 2 spaces to the left to be placed before 4, which is the first non zero number. Thus is 4.5x10 2nd power negative since the decimal moved left. The decimal point moves 5 places left to be placed after 2, which is the first non zero number
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Hey guys umm help me
gavmur [86]
The answer is c

1/6 divided by 1/2

i had this question on my own
3 0
3 years ago
Find the y-intercept of the line below.
ANEK [815]
Y=mx+b, the b is your y-intercept so just rearrange your equation
y=(3/7)x+(2/7)
your y-intercept would be b) (2/7)
8 0
3 years ago
Haruka hiked several kilometers in the morning. She hiked only 666 kilometers in the afternoon, which was 25\%25%25, percent les
katen-ka-za [31]

Answer:

She hiked 1,554 kilometers in all.

Step-by-step explanation:

Let the hiking kilometers for morning be x

Given that:

Hiking kilometers in afternoon = 666

According to given condition that afternoon kilometers are 25% less than morning:

x = 666 + 25% of x

By simplifying:

x = 666 + 0.25x

x - 0.25x = 666

0.75x = 666

Dividing both sides by 0.75 we get:

x = 666/0.75

x = 888 kilometers

She hiked 888 kilometers in morning

And

Total = 888 + 666 =1554 km

i hope it will help you!

3 0
3 years ago
Read 2 more answers
The population of a type of local dragonfly can be found using an infinite geometric series where a1 = 65 and the common ratio i
hram777 [196]
In mathematics, number sequencing of the same pattern are called progression. There are three types of progression: arithmetic, harmonic and geometric. The pattern in arithmetic is called common difference, while the pattern in geometric is called common ratio. Harmonic progression is just the reciprocal of the arithmetic sequence.

The common ratio is denoted as r. For values of r<1, the sum of the infinite series is equal to

S∞ = A₁/(1-r), where A1 is the first term of the sequence. Substituting A₁=65 and r=1/6:

S∞ = A₁/(1-r) = 65/(1-1/6)
S∞ = 78


6 0
3 years ago
I’m really bad at math word problems so yeah lol don’t make fun of me
Virty [35]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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