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lions [1.4K]
3 years ago
6

A computer can perform 4.5×〖10〗^2 instructions in a second. Which expression shows how long it would take to perform 1.8×〖10〗^10

instructions?
4×〖10〗^5 seconds
4×〖10〗^7 seconds
4×〖10〗^8 seconds
8.1×〖10〗^12 seconds
Mathematics
1 answer:
GalinKa [24]3 years ago
5 0
A computer can perform 4.5×〖10〗^2 instructions in a second. Which expression shows how long it would take to perform 1.8×〖10〗^10 instructions?



8.1×〖10〗^12 seconds
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-15.6 = -3.9r<br> please include an explanation of how you got your answer :) thanks
Mumz [18]

Here is the equation:

-15.6 = -3.9r

Since both decimals are negative, the answer will be positive.

  • Negative times Negative = Positive

Divide both sides by -3.9 to leave the variable alone:

-15.6 \div -3.9  = -3.9r \div -3.9 \\ 4 = r

r is equal to 4 → r = 4

5 0
2 years ago
12+7+5x in the expression above there are three terms- )
mina [271]
( 12 + 7) 5x = 95 so that's your answer
8 0
3 years ago
Read 2 more answers
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nevsk [136]

#Personal computer:-

  • Total=480

Percent

\\ \bull\sf\dashrightarrow \dfrac{480}{1500}\times 100

\\ \bull\sf\dashrightarrow 32\%

#Pacemaker:-

\\ \bull\sf\dashrightarrow 0.26(1500)

\\ \bull\sf\dashrightarrow 390

#Wireless communication:-

\\ \bull\sf\dashrightarrow 0.18(1500)

\\ \bull\sf\dashrightarrow 270

#Television:-

Percent

\\ \bull\sf\dashrightarrow \dfrac{150}{1500}\times 100

\\ \bull\sf\dashrightarrow 10\%

#Others

  • 100-(10+18+26+32)=100-86=14%

\\ \bull\sf\dashrightarrow 0.14(1500)

\\ \bull\sf\dashrightarrow 225

4 0
2 years ago
Read 2 more answers
Please help ASAP!!!!!!!!!!!
nexus9112 [7]
A is the answer because it doesn’t have a repeating x value
3 0
2 years ago
Enter the phrase as an algebraic expression.
zysi [14]

Answer:

I believe the answer is p over 5, it won't let me type it out but it put the p on top of the 5

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3 years ago
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