4 years ago

13 in scientific notation

1 answer:

8 0

13 in SciNote is 13x10^1

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valentinak56 [21]

Answer: D is correctly written in scientific notation.

Step-by-step explanation:

The base has to be between 1 and 10.

A has a base of 16.4 which is greater than 9.

B is not even in scientific because the base it being raise to an exponent

C has 0.71 as base which is less that.

3 0

3 years ago

viva [34]

Answer:

80/1 1/4 (Fraction)

Step-by-step explanation:

$speed = \frac{distancs}{time} \\ \\ \hspace{29pt}= \frac{80}{1 \frac{1}{4} } mph$

5 0

4 years ago

Mademuasel [1]

Answer:

Step-by-step explanation:

∠ BSR + ∠ TSB = ∠ TSR , substitute values

2x + 17 + 5x + 15 = 102 , that is

7x + 32 = 102 ( subtract 32 from both sides )

7x = 70 ( divide both sides by 7 )

x = 10 → B

8 0

3 years ago

Andreyy89

Answer:

Step-by-step explanation:

7 0

3 years ago

bogdanovich [222]

Hello,

As
$cos(30)=sin(60)=\dfrac{\sqrt{3} }{2}\\\\

cos^{-1}(\dfrac{ \sqrt{3} }{2})
$

=π/6+2kπ or -π/6+2kπ

4 0

3 years ago