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3 years ago

Express 148.502 in standard formPls as soon as possible

Mathematics

2 answers:

LenKa [72]3 years ago

8 0

Answer:

1.48502 × 10²

Step-by-step explanation:

A number expressed in standard form is

a × $10^{n}$ ( 1 ≤ a < 10 and n is an integer )

Given

148.502 ← express as a number between 1 and 10

1.48502

To obtain the original number we require to multiply by 100 , that is 10²

Thus

148.502 = 1.48502 × 10²

AURORKA [14]3 years ago

6 0

Answer:

$1.48502 \times {10}^{2}$

Step-by-step explanation:

To convert to standard form, move the decimal point until there is one digit to the left of the decimal point.

Since the decimal point moves to the left, the exponent value goes up. If the decimal point moves to the right, the exponent value gpes down.

In this case, since the decimal point moves to the left twice, then the exponent goes up by 2.

Hope this helps!

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Which of the following expressions is correct?

masya89 [10]

Answer:

The correct answer is: [A]: " -(-21) = 21 " .

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Step-by-step explanation:

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Let us examine the answer choices given.

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Choice: [A]: " -(-21) = 21 . This is correct;

→ since a "negative value of negative value" is a "positive value" ; as shown in this case. The equal sign holds true, since the

"negative of a "negative value" is equal to the "positive value" of that same "positive value equivalent."

________________________________

Choice: [B]: " -(-21) = -21 . This is incorrect. As explained above:

→ a "negative of negative" is a "positive value" .

This answer choice shows that a "negative of negative"; is a "negative" :

→ which is: INCORRECT.

→ Rule out: "Choice: [B]."

________________________________

Choice: [C]: " -(21) = 21 . This is incorrect. The "negative" value [of a positive integer is not equal to the "equivalent positive value" of that same integer.

→ Rule out: "Choice: [C]."

________________________________

Choice: [D]: " (-21) = 21 "; This is incorrect. In a conceptually similar way as explained above—(for "Answer Choice: [C]" — the "negative value equivalent" of an integer is NOT equal to the "equivalent positive value" [of that same integer.].

→ Rule out: "Choice: [D]."

________________________________

The correct answer is: [A]: " -(-21) = 21 " .

________________________________

Hope this is helpful to you!

Best wishes!

7 0

2 years ago

Read 2 more answers

2. A man drove 240 miles south at the rate of 60 miles per hour. On the return trip, he drove the rate of 40 miles per hour. The

shutvik [7]

$av = \frac{v_{2} - v_{1}}{t_{2} - t_{1}}$