$(8 \times {10}^{4} )(9 \times {10}^{8} ) \\ = 8 \times 9 \times {10}^{4} \times {10}^{8 } \\ = 72 \times {10}^{4 + 8} \\ = 7.2 \times 10 \times {10}^{12} \\ = 7.2 \times {10}^{13}$

This is the answer with step by step explanation

6 0

3 years ago

What is the equation of a parabola that has a vertex at ( 0,4 ) and passes through points ( 2,0 )?

vlada-n [284]

Answer:

y = -x² + 4

Step-by-step explanation:

The equation of the parabola in the vertex form is:

y = a (x-h)² + k

Where: (h,k) the coordinates of the vertex & a is a multiplier

The parabola has a vertex at ( 0,4 )

So, h = 0 , k = 4

∴ y = a (x-0)² + 4

∴ y = a x² + 4

The parabola passes through points ( 2,0 )

∴ 0 = a 2² + 4

∴ 4 a = -4 ⇒ a = -4/4 = -1

∴ y = -x² + 4

So, the equation of a parabola that has a vertex at ( 0,4 ) and passes through points ( 2,0 ) is y = -x² + 4

See the attached figure.

4 0

3 years ago

Write 0.300 in word form please

liraira [26]

0.300 in word form is three tenths

6 0

4 years ago

Read 2 more answers

M divided by 19 = -2 (Find m)

seropon [69]

M=38 I hope it helps
Can u give me the brainliest ^^ plz ☺️☺️

5 0

3 years ago