Can someone help with question 1 please

Mathematics

2 answers:

allochka39001 [22]2 years ago

4 0

Answer: B

Step-by-step explanation:

The answer is B because of the equal sign in the middle meaning that both the sin and cos are equal

zmey [24]2 years ago

4 0

The answer is B since you are equally putting it.

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3 years ago

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Neporo4naja [7]

Answer:

i think its -1

Step-by-step explanation:

sorry if im wrong

3 0

3 years ago

Simplified?

kap26 [50]

Answer:

Option B

Step-by-step explanation:

Given the following question:

In order to find the answer, we need to convert the scientific notation into standard notation and then simplify by subtracting the decimals. Then we convert the standard notation back into scientific notation.

$0.0007 - (4.9\times 10^{-7} )$
$4.9\times10^{-7} =0.00000049$
$0.0007-0.00000049$
$0.0007-0.00000049=0.00069951$
$=0.00069951$
$0.00069951=6.9951 \times10^{-7}$
$=6.9951 \times10^{-7}$

Your answer is "6.9951 × 10^-7" or option B.

Hope this helps.